3 definitions by j mcgill

Top Definition
Having relations with ones self.
I'm about to hit the shower for some uni-coital activities!
by J McGill November 27, 2012
Derived from the word "Mastacious" and meaning; A girl with ugly Big Nasty Boobs.
Wow that girl is nastacious.
by J McGill March 05, 2009
A woman having overly large breast's, referred to as Mastasia.
I only date mastacious women.
by J McGill January 02, 2009

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