개노답

Completely and utterly hopeless — beyond 노답, beyond fixing, beyond all hope. The 개 intensifier takes 노답 to the extreme. When even 노답 isn't strong enough.

개 = intensifier (extremely / completely) — vulgar prefix

노 = no

답 = answer

See also: 노답, 개노답, 답없음, 개노답삼형제