my man noun 2exclamation 1 noun2 •(informal) A familiar term of address for a man.Hey, my man! Long time no see!This round's on me, my man! •(informal) A casual, complimentary term for a man.That's my man right there! exclamation1 •(US, slang) A term of address for a man, conveying awe or enthusiastic agreement.Right on! My man!A: Hot damn, I can't believe he just scored another goal already! B: My man!