
The BumZen Collective, also called BumZen, is a collective and underground scene for various left-wing radical groups in Nørrebro in Copenhagen.

Childhood in medieval England was determined by both social and biological factors. According to common law, childhood ranged from the birth of a child until he or she reached the age of 12. At this point, the child was seen as capable and competent to understand his or her actions, thus rendering them responsible for them. According to canon law, girls could marry at the age of 12 and boys at the age of 14.

Co–Star is an American astrological social networking service founded in 2017 and headquartered in New York City. Users enter the date, time and place they were born to receive an astrological chart and daily horoscopes that they can compare to those of their friends.

Complex Networks is an American media and entertainment company for youth culture, based in New York City. It was founded as a bi-monthly magazine, Complex, by fashion designer Marc (Ecko) Milecofsky. Complex Networks reports on popular and emerging trends in style, sneakers, food, music, sports and pop culture. Complex Networks reached over 90 million unique users per month in 2013 across its owned and operated and partner sites, socials and YouTube channels. The print magazine ceased publication with the December 2016/January 2017 issue. Complex currently has 4.55 million subscribers and 1.3 billion total views on YouTube. As of 2019, the company's yearly revenue was estimated to be US$200 million, 15% of which came from commerce.

The Cool S, also known as the Stussy S, Super S, Superman S, Universal S, Pointy S, Middle School S, Graffiti S, and by many other names, is a graffiti sign in popular culture that is typically doodled on children's notebooks or graffitied on walls. The exact origin of the Cool S is unknown, but it may have originated from geometry textbooks and has appeared around the early 1970s as a part of graffiti culture. Contrary to popular belief, the symbol has no ties to either the U.S. clothing brand Stüssy or to the character Superman, though Stüssy did conduct an interview in 2010 with Jon Naar, a pioneer graffiti photographer with many works including this S, dating back to the 1970s.

Cottagecore is a fashion aesthetic popularised by teenagers and young adults celebrating an idealised rural life. It was developed throughout the 2010s and was first named cottagecore on Tumblr in 2018. The aesthetic centres on traditional rural clothing, interior design, and crafts such as foraging, baking, and pottery, and is related to similar aesthetic movements such as grandmacore, farmcore, goblincore, and faeriecore.

Dark academia is a social media aesthetic and subculture centered around higher education, writing/poetry, the arts, and classic Greek and Gothic architecture. The subculture is associated with ancient art and classic literature.

E-girls and e-boys, sometimes collectively known as e-kids, are a youth subculture that emerged in the late 2010s and is almost exclusively seen on social media, notably popularized by the video-sharing app TikTok. Videos by e-girls and e-boys tend to be flirtatious and, many times, overtly sexual. Eye-rolling and protruding tongues are common.

Gamer, alternatively spelt Gámer or Gaamer, was a debut feature-length film directed by Oleg Sentsov. It was released in Russian and Ukrainian language in 2011. He tells of a young gamer, who lives with his mother in Simferopol. The premiere was held in 2012 in Rotterdam. The film participated in several international film festivals and was a highly marked by the professional community, in particular, a premium Russian Guild of Film Critics at the festival Spirit of Fire in Khanty-Mansiysk.

Goth is a subculture that began in the United Kingdom during the early 1980s. It was developed by fans of gothic rock, an offshoot of the post-punk music genre. The name goth was derived directly from the genre. Notable post-punk artists who presaged the gothic rock genre and helped develop and shape the subculture include Siouxsie and the Banshees, Bauhaus, the Cure, and Joy Division.

A gutter punk is a homeless or transient individual who displays a variety of specific lifestyle traits and characteristics that often, but not always, are associated with the punk subculture. Attributes may include unkempt dreadlocks, nose rings, Mohawk hairstyles, and tattooed faces. Gutter punks are sometimes referred to as "crusties", "crusty punks", or "crust punks"; "traveling" or "traveler kids"; "traveling" or "traveler punks", or simply "travelers"; and "punk hobos" or "hobo-punks", among other terms. Some self-identified gutter punks may distinguish themselves from "crusties" or "crust punks" and "travellers", and vice versa; however, there is considerable overlap between the groups, and the terms are often used interchangeably.

The 21st-century hipster is a subculture that is defined by claims to authenticity and uniqueness yet, ironically, is notably lacking in authenticity and conforms to a collective style. The subculture embodies a particular ethic of consumption that seeks to commodify the idea of rebellion or counterculture. Fashion is one of the major markers of hipster identity. Members of the subculture typically do not self-identify as hipsters, and the word hipster is often used as a pejorative for someone who is pretentious or overly concerned with appearing trendy or fashionable in a non-mainstream way.

A house party is a type of party where people gather at the residence of the party's host.

A teen idol is a celebrity with a large teenage fan base. Teen idols are generally young but are not necessarily teenagers. An idol's popularity may be limited to teens, or may extend to all age groups. Many teen idols are targeted for adults for nostalgia purposes.

Hooligan firms are groups that participate in football hooliganism or other sports-related hooliganism. In European countries such as England and Poland, firms are clearly defined, but in Latin America the situation is less clear-cut. For groups in Latin America, see barra brava and torcida organizada.

The National Youth Poet Laureate is a title held in the United States by a young person who demonstrates skill in the arts, particularly poetry and/or spoken word, is a strong leader, is committed to social justice, and is active in civic discourse and advocacy. It is a title awarded annually to one winner among five finalists, most of whom have been chosen as the Poet Laureate for their city or region.

A poseur is someone who poses for effect, or behaves affectedly, who affects a particular attitude, character or manner to impress others, or who pretends to belong to a particular group. A poseur may be a person who pretends to be what they are not or an insincere person; they may have a flair for drama or behave as if they are onstage in daily life.

Punk ideologies are a group of varied social and political beliefs associated with the punk subculture and punk rock. It is primarily concerned with concepts such as mutual aid, against selling out, egalitarianism, humanitarianism, anti-authoritarianism, anti-consumerism, anti-corporatism, anti-war, decolonization, anti-conservatism, anti-globalization, anti-gentrification, anti-racism, anti-sexism, gender equality, racial equality, health rights, civil rights, animal rights, disability rights, free-thought and non-conformity. One of its main tenets is a rejection of mainstream, corporate mass culture and its values. It continues to evolve its ideology as the movement spreads throughout North America from its origins in England and New York and embraces a range of anti-racist and anti-sexist belief systems. Punk ideologies are often Leftist / Anti-capitalist and go against authoritarian and the Right-wing Christian ideologies.

Rockabilly is one of the earliest styles of rock and roll music. It dates back to the early 1950s in the United States, especially the South. As a genre it blends the sound of Western musical styles such as country with that of rhythm and blues, leading to what is considered "classic" rock and roll. Some have also described it as a blend of bluegrass with rock and roll. The term "rockabilly" itself is a portmanteau of "rock" and "hillbilly", the latter a reference to the country music that contributed strongly to the style. Other important influences on rockabilly include western swing, boogie-woogie, jump blues, and electric blues.

The Sekhmet Hypothesis was first published in book form in 1995 by Iain Spence. It suggested that pop trends of an atavistic nature could be analysed in relation to Dr. Timothy Leary's interpersonal circumplex model. It also suggested that major youth trends could be correlated to peaks in the 11 year solar cycle; this idea was later rejected by the author in 1999.

Skateboarding is an action sport originating in the United States that involves riding and performing tricks using a skateboard, as well as a recreational activity, an art form, an entertainment industry job, and a method of transportation. Skateboarding has been shaped and influenced by many skateboarders throughout the years. A 2009 report found that the skateboarding market is worth an estimated $4.8 billion in annual revenue, with 11.08 million active skateboarders in the world. In 2016, it was announced that skateboarding will be represented at the 2020 Summer Olympics in Tokyo, for both male and female teams.

A youth subculture is a youth-based subculture with distinct styles, behaviors, and interests. Youth subcultures offer participants an identity outside of that ascribed by social institutions such as family, work, home and school. Youth subcultures that show a systematic hostility to the dominant culture are sometimes described as countercultures.

Teenage is a 2013 documentary film directed by Matt Wolf and based on Jon Savage's book Teenage: The Creation of Youth Culture. In the documentary, Wolf attempts to bring to life the "prehistory" of youth culture which preceded and evolved into the concept of teenage culture in the 1950s and beyond. The film had its world premiere at the Tribeca Film Festival on April 20, 2013. and was released in a limited release and through video on demand on March 14, 2014, by Oscilloscope Laboratories.

Tellonym is a free, ad-supported, cross-platform messaging app to have questions answered. Tellonym is an easy way to get feedback and supports the anonymity of the person giving the feedback as well as the possibility to give unsolicited feedback. Currently, a total of 40 million users worldwide are logged on to the portal. As of March 2019, approximately one-third of these are German-speaking users. The remainder are mainly from the United States, Great Britain, Brazil and Australia.

TikTok, known in China as Douyin, is a video-sharing focused social networking service owned by Chinese company ByteDance. It hosts a variety of short-form user videos, from genres like dance, comedy, and education, with durations from 15 seconds to three minutes. It is an international version of Douyin, originally released in the Chinese market in September 2016. TikTok was launched in 2017 for iOS and Android in most markets outside of mainland China; however, it became available worldwide only after merging with another Chinese social media service, Musical.ly, on 2 August 2018.

The Tribe is a 2014 Ukrainian crime drama film written and directed by Myroslav Slaboshpytskiy. Starring Hryhoriy Fesenko, Yana Novikova and Roza Babiy, the film is set in a boarding school for deaf teenage students, where a novice scholar is drawn into an institutional system of organized crime, involving robbery and prostitution. He crosses a dangerous line when he falls for one of the girls to whom he's assigned to pimp. The film is entirely in Ukrainian Sign Language with no subtitles. It won the Nespresso Grand Prize, as well as the France 4 Visionary Award and the Gan Foundation Support for Distribution Award at the 2014 Cannes Film Festival's International Critics' Week section.

Youth voice refers to the distinct ideas, opinions, attitudes, knowledge, and actions of young people as a collective body. The term youth voice often groups together a diversity of perspectives and experiences, regardless of backgrounds, identities, and cultural differences. It is frequently associated with the successful application of a variety of youth development activities, including service learning, youth research, and leadership training. Additional research has shown that engaging youth voice is an essential element of effective organizational development among community and youth-serving organizations.

VSCO, formerly known as VSCO Cam, is a photography mobile app for iOS and Android devices. The app was created by Joel Flory and Greg Lutze. The VSCO app allows users to capture photos in the app and edit them, using preset filters and editing tools.
Youth culture refers to the societal norms of children, adolescents, and young adults. Specifically, it comprises the processes and symbolic systems that are shared by the youth demographic and are distinct from those of adults in the community.

Youth Day is a holiday dedicated to the youths of a country. It is observed by 18 countries, on many dates throughout the year. The United Nations agreed on the date of 16 June in 1999 in South Africa.