JAPANESE: what does ''Omae no baka ni tsukiatte ran nē'' mean?
Japanese script: ... おまえのバカにつきあってらんねぇ ...

Question

JAPANESE: what does ''Omae no baka ni tsukiatte ran nē'' mean?
Japanese script: ... おまえ の バカに つきあって らんねぇ ...

Answer

It sounds slang to me, so I might be a bit wrong, but this is my take of it:
I do not want/need to be associated with an idiot (like) you.

Answer

らんねえ = られない
Liaison like "going to = Gonna" in English

Answer

Yes, it's very casual way of saying between close friends.  I would translate it "I don't want to be involved with your idiot behavior..." Did you find this saying in Manga?