1. The quality of being
manly and
masculine.
2. Also a slang term for the size of a man's genitals. In particular, it means that the bigger your
privates are, the more "manly" you are.
Damn, Mark ALMOST won the heart of that
hottiemonjaro girl at the club! Even though he impressed her with his manliness (having won a few barfights, showing off a few signature moves, his looks, and his muscles), he really did
NOT impress her when he dropped his pants, revealing his small excuse for manliness!
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Mark H. Showing off my manliness at posting new slang
defs at UrbanDictionary since February 2004.