shit ass

Noun

derogatory vulgar

(vulgar, derogatory) A jerk; an inappropriately or objectionably mean, inconsiderate, contemptible, obnoxious, intrusive, or rude person.

Japanese Meaning

クソったれな奴（下劣で意地悪、無神経な人物） / 非常に不愉快で軽蔑すべき人 / 不作法で迷惑なやつ

He was acting like a shit ass at the meeting and ruined the mood for everyone.

彼は会議で本当にくそ野郎のように振る舞い、みんなの雰囲気を台無しにした。

Sense（1）

(vulgar, derogatory) A jerk; an inappropriately or objectionably mean, inconsiderate, contemptible, obnoxious, intrusive, or rude person.

He is such a shit ass!

shit asses

（ plural ）