キチFreq.FrequencyTop 20,000Meanings1noun, used as a suffixenthusiast; maniac; freakslang›abbreviationSlang suffix derived from キチガイ (crazy person). Attaches to nouns to label someone as an obsessive fan or enthusiast, often with a negative or mocking tone. Used in compounds like ゲームキチ (game freak).See also: きちがい彼かれは本ほん当とうにゲームキチで、一いち日にち中じゅうゲームをしている。He's a real game freak; he plays games all day long.Usage patterns〈事こと〉キチa big fan/enthusiast/freak of ~彼かれはゲームキチだ。He's a total game freak.