bare buttocks; naked bottom
Refers to buttocks without clothing, often in a direct or slightly vulgar manner. Used in casual or descriptive contexts.
He ran around showing his bare buttocks.
Standard kanji spelling.
Mixed katakana-kanji spelling, often used for emphasis or in informal contexts.
Compound of 生 (なま, 'raw, bare') and 尻 (しり, 'buttocks').