넌 남자

you're a man

→ 너+는
phrase Rare #20,955
you're a man 넌 is the informal contraction of 너는, meaning “you” with a topic marker. The phrase can be used literally or to challenge or affirm someone's masculinity, depending on context.
KO: 넌 남자니까 이 정도는 할 수 있지?
EN: You're a man, so you can handle this, right?

넌 남자가 아니고 계집애 야!

You are not a man, you are a woman!

— 패왕별희 (1993)

, 넌 남자 아니냐?

Why? Aren't you a man?

— 당갈 (2016)

넌 남자도 아니야

You're not even a man.

— 얼지마, 죽지마, 부활할거야 (1990)