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1.
someone who fucks around alot.
dont act like a maniak.
by raed May 09, 2003
 
2.
Maniak in Hebrew is a word for a jackass,asshole,cocksucker,bastard or in other words a policeman(cop). But you pronounce it "ManAik"
Person 1: Yo man, I thought I heard something in the bushes!
Person 2: Those are Maniaks! Lets get the fuck out of here!!
by Bad Life June 04, 2011
 
3.
the exact meaning for maniak is a gay who is always fucked
he is a maniak
by gasi November 24, 2003