popular  noun  noun (generic)  Internet slang 

• tree (esp. a Christmas tree)
• tree (structure, diagram, etc.)
• thread (on Twitter)

popular  な adjective  adjective (generic)  Internet slang  suffix 

• trendy, in, now
• currently at ..., now doing ..., in the middle of ...

popular  noun  noun (generic)  derogatory  Internet slang 

• pizza
• fat, ugly person

popular  prefix  な adjective  adjective (generic)  abbreviation  Internet slang  noun  noun (generic)  noun or participle taking the aux. verb する 

• multi-
• multi-post
• multi-level marketing, pyramid selling, chain referral

Internet slang  noun  noun (generic) 

• original poster (of an Internet thread), OP

noun  noun (generic)  Internet slang 

• halo
• paid dating (esp. with an underage girl; oft. involving selling of sex), compensated dating

military  noun  noun (generic)  video games  Internet slang 

• (artillery) barrage
• bullet hell, curtain fire, screen-filling barrage of (usu. slow-moving) enemy bullets
• barrage of scrolling comments (overlaid on an online video)

rarely used kanji form  noun  noun (generic)  noun (suffix)  Internet slang  pronoun 

• leak, leakage
• omission, oversight
• I, me

noun  noun (generic)  Internet slang  interjection 

• swastika (esp. counterclockwise form as a Buddhist symbol), fylfot, gammadion
• swastika-shaped family crest
• wow, yeah, ugh, yuck, awesome, really, let's go

rarely used kanji form  noun  noun (generic)  Internet slang 

• stallkeeper (at a festival, fair, etc.), street vendor, street performer, peddler, hawker, huckster, faker
• fellow, guy, chap, he, she, him, her