出でっ尻ちり

noun

protruding buttocks; big butt

Colloquial and slightly vulgar term for buttocks that stick out prominently.

• あの子こは出でっ尻ちりで、ジーンズがよく似に合あう。

  That girl has a big butt and looks great in jeans.

• 彼かれは出でっ尻ちりを気きにして、スカートを履はかない。

  She's self-conscious about her protruding buttocks and doesn't wear skirts.