Japanese Internet Slang

While studying AA, I soon realized that I didn't know very much about Japanese internet culture in general. My research ended up teaching me a lot.

Anyway, here are a bunch of miscellaneous Japanese internet slang terms that you may or may not encounter. Some are 2ch-specific, but others are more general.

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ボーイズラブ
Boys' Love
BL: mlm / yaoi ships; Pixiv Encyclopedia
カップリング
coupling
カプ
CP: shipping / romantic pairing of two characters; (Not to be confused with the other type of CP.); Pixiv Encyclopedia ✧ Pixiv Encyclopedia
ガールズラブ
Girls' Love
GL: wlw / yuri ships; Pixiv Encyclopedia
HL: heterosexual ships; (Stands for "hetero love". Coined as a substitute for NL, to avoid implications that heterosexual relationships are more "normal" than homosexual ones.); Pixiv Encyclopedia
Jアノン
J-Anon: Japanese QAnon supporters / Japanese people who believe in conspiracy theories about American politics; (See also netto-uyoku.); Nico Nico Pedia ✧ Global Voices
コピペ
kopipe: copying and pasting / copypasta; (Short for "copy and paste" (コピー&ペースト).); tanasinn.info
マターリ
matari: relaxation; (Intentional misspelling of the word "mattari" (まったり).); Nameless Rumia's Wiki ✧ Enpedia
ネット右翼
netto-uyoku
ネトウヨ
neto-uyo: A far-right hyper-nationalist online subculture, considered to be the Japanese equivalent of the alt-right. They are most likely to be found on 2channel or Futaba Channel. Netto-uyoku tend to discriminate against Koreans, Chinese, burakumin, and women.; (Lit. "internet rightists" / "internet right wingers"); Wikipedia ✧ Nico Nico Pedia ✧ Rational Wiki
NL: heterosexual ships; (Stands for "normal love". See also HL.); Pixiv Encyclopedia
和多志
watashi: I / me; (Lit. "Yamato numerous will"); (Alternate spelling of the pronoun "watashi" (私). Japanese nationalists claim that this was the original spelling, and that the current spelling was part of an American conspiracy to encourage individualism and weaken Japanese nationalism during the Allied occupation of Japan. This isn't actually true.); Wiktionary ✧ Nico Nico Pedia

Sources:

Enpedia