Top Definition
In this context Muffin means Pussy or Vagina. The Masher is another female who rubs their Pussy " muffin" against the afore mentioned Muffin, for sexual purposes. In most cases a Muffin Masher is a bull dike but in some cases it could be just a one time experimentation thing for a female.
1. Holy shit Jill turned to Muffin Mashing!
2. Jill say's " I've always wanted to try Muffin Mashing."
by The Blade June 17, 2005
1 more definition
7 Words related to muffin masher
a person who hit muffins with rather large mashing things, usually mentally disturbed...
"Stupid muffin!!" *whak whak*
by Shruberry January 28, 2005

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