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電波人!-dempanchu☆-
Denpa song mascot

電波さん
Denpa-san"Mr./Ms. Radio Wave"Japanese slang for describing an eccentric delusional nonsensical person
電波
DenpaRadio wavesLiterally translates to electromagnetic waves; in japanese language, this is regular standalone vocabulary and generally never implies any otaku context unless a suffix is added; however, the terms sees an association with otaku context overseas as it refers to a certain trope, aesthetic & music without necessarily needing a suffix; denpa is also sometimes spelled 'dempa' (see: phonology) and sometimes written as デムパ (demupa) in japanese
電波系
Denpa-keiDenpa typeAn aesthetic referring to elements commonly present in psychological visual novels & anime; prior to the term making its way overseas, this was used as a derogatory word starting in the 90s to describe a delusional individual; in more modern times among the japanese, it has seen recent use to refer to denpa song in particular; overseas this may refer to the music as well, but it may also refer to the denpa-themed visual novel series or the denpa aesthetic on its own and is therefore generally seen synonymous with the standalone 'denpa'
毒電波
DokudenpaPoisonous radio wavesA reference to describe the ability of controlling thoughts and destroying brain nerves of others and thus turning them into delusional folks; this concept was seemingly popularized by the visual novel Shizuku, though it had seen usage prior to the release of Shizuku; people may playfully/metaphorically refer to certain things as dokudenpa such as music where one may say that the song is radiating strong poisonous waves and thus making them addicted to it

萌え
MoeMoé / BuddingAffection or emotional response to characters
ロリコン
RorikonLolicon / Lolita ComplexAttraction towards loli characters
おたく
Otaku (hiragana)GeekSlang that refers to the original generation and the pioneers of hardcore anime, manga, and sci-fi fans born between the 1940s and 1960s (first and second generation) that would mark the formation of manga research clubs & the comiket at university age; slang was initially reserved for an overly polite, even old-fashioned way of saying "you." to address the like-minded fans; the japanese classic otaku stem from hobbies focusing on idols, trains, cameras, military, radios, manga/doujin & many more
オタク
Otaku (katakana)GeekThe semantic shift in slang that marked the late 80s during a sensationalist period caused by the serial killer Tsutomu Miyazaki; media went into a panic throughout the boom of the internet, e-commerce, visual novels and so on; this katakana spelling marks the modern otaku that would come to see destigmatization over the years but otherwise shares the same meaning as its predecessor slang
ヲタ(ク)
Wota(ku)Idol fanA shorthand spelling of "(W)otaku" that became popular among idol fans & the modern generation of otaku; wota are known for their intense dedication: following idols to live shows, waving colored glowsticks in perfect sync, buying multiple copies of singles to get handshake tickets, and doing synchronized chants (called "wotagei" or otaku dance)
二次元コンプレックス
NijikonTwo-dimensional complexAttraction towards two-dimensional fictional characters as opposed to real human being; further amplified through the moe bond and pride in the otaku hobby; subject to expression through instances like itabeya (痛部屋), itasha (痛車), itansha (痛単車), itachari (痛チャリ) and many more
キモオタ
KimootaDisgusting / creepy otakuA pejorative term for otaku perceived as socially awkward, unhygienic, or obnoxiously obsessive; used to shame extreme fandom behavior
リア充
RiajuuReal-life fulfilled personSomeone perceived as satisfied with their offline life; having friends, a partner, social activities, or career success; often used by online subcultures (especially otaku) either neutrally, admiringly, or pejoratively to contrast with those who prefer virtual or hobby-centered lives
larp(er)
larp(er)live action roleplay(er)A terminology that was once reserved for live action roleplaying in settings such as live events which were also pursued by otaku; the term has been redefined by the youth society as a derogatory slang to refer to someone (larper) who is desperately attempting to fit into an image while lacking of substance and authenticity; starting in the 2020s; not exclusive to otaku culture
ドキュン / DQN
DokyunDelinquent, ignorant, troublesome personA japanese internet slang term originally from a 1990s TV series called "Mokugeki! Dokyun" where separated families get tracked & reunite; sound of a gunshot; essentially signaling "I found the person I was looking for!"; people who appeared on the program were young people in their teens lacking common sense; western equivalent would be "yankee"; DQN is used derogatorily in 2channel and Niconico Douga comment sections
歌い手
UtaiteAmateur singer / cover vocalistAn amateur singer who posts cover songs on Niconico Douga or YouTube; in doujin/online culture it specifically refers to hobbyist vocalists who cover vocaloid songs, anime theme songs or j-pop; the culture emerged in the late 2000s on Niconico and remains a vibrant part of the doujin music scene
VTuber
BuchubaaVirtual YouTuberAn online content creator who uses a real-time motion-captured 2D or 3D avatar instead of showing their real face; using facial tracking software, motion capture & software to render the Live2D or 3D avatar; shaping an industry through vtuber agencies featuring legally binding contracts
クールジャパン
Kuuru JapanCool JapanA Japanese government initiative launched in the 2000s during the economic downturn "lost decades" to promote the country's pop culture exports globally in response to the young people it attracted from all around the world; the term was popularized by a 2002 academic paper by Douglas McGray "Japan's Gross National Cool"; in 2006, the Ministry of Land, Infrastructure, Transport and Tourism proposed the future vision "AKIHABARA" which is based on the motto of "Cool Japan" in order to create a public image of Akihabara as a pop culture & tourist destination; according to the Foreign Minister Taro Aso at the time in 2006, "Pop culture such as anime will become a new cultural diplomacy."; it is the antithesis of otaku culture and its origins which opposes censorship & values authenticity through means of embodying the hobby via moe & bishoujo that were never meant to conform to the mainstream as it is a niche of its own and through media sensationalization it is typically perceived as weird and offensive or in essence "Weird Japan"