also: ケツアゴ
cleft chin; butt chin
Slang term for a cleft chin, literally 'butt chin'. Used casually, often in a teasing or humorous way.
See also: あご割れ
彼はケツあごがチャームポイントだ。
His cleft chin is his charm point.
あの俳優のケツあご、かっこいいよね。
That actor's butt chin is cool, isn't it?
Kanji spelling exists but is rarely used; the word is almost always written in kana.
Compound of ケツ (slang for 'buttocks') and あご ('chin'), referring to the resemblance of a cleft chin to buttocks.