1 definition by balls33445

A Skinnypack is when a skinny male is so conceited and skinny that they think they actually have a six pack when really there is just so little skin the abdominal muscles are more visible.
Douchebag: YO! check my six pack bro!

Regular Guy: idiot, your to skinny! you have a Skinnypack!
by balls33445 March 30, 2011

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