꼴통

idiot, moron

noun Rare #23,383
idiot, moron Colloquial and insulting.
KO: 걔는 정말 꼴통이야.
EN: That person is such an idiot.

너 진짜 꼴통 이다!

You are such a loser!

— 퍼펙트 스트레인저 (2016)

터커는 꼴통 이라며

You said Tucker was a total idiot.

— 머시니스트 (2004)

조셉은 꼴통이 아녜요

Joseph isn't a moron.

— 아멜리에 (2001)