尻しりがこそばゆい

expression, i-adjective

feeling restless; feeling uncomfortable

Idiomatic expression describing a sense of unease, embarrassment, or awkwardness, often from being out of place or feeling self-conscious. Literally 'one's buttocks are ticklish'.

• 初はじめての高こう級きゅうレストランで、なんだか尻しりがこそばゆい気き分ぶんだった。