uproariously funny

a ribald, obscene, or off-color story / uproarious laughter

to guffaw, to laugh uproariously, to roar with laughter / to tell a ribald, obscene, or off-color story

(Internet slang, derogatory) woman who mindlessly follows trends

a risorius muscle

Used other than figuratively or idiomatically: see 一 and 本 (one thing) / Short for 一本勝ち (ippon-gachi, “winning in one blow”).

a comic book, a cartoon book

hardcore pornography; 'underground' pornography showing uncensored genitals. Technically illegal in Japan.

banned book

a male given name / a male given name