Just throw that boyfriend dog of yours a muff rat.
by enspration5 May 29, 2004
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A person who screwed up a party, shindig, hoe-down, social gathering, etc.
D2MR!!! Death to Muff Rat
by LilJOnwhattt June 30, 2005
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Rat muff means rat vagina.

A constant quest of male rats.
"Did you get any rat muff last night?" asked Rafael Rat, looking somewhat hung over.

"Oh yeah, dude, I shagged my tail off," replied Rastus.
by scodder June 13, 2010
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Greasy and dirty pubic hair typically a womans, but can also be mans.
"I told me boss his face looked like a muff rat."
by pussyslaver69 April 23, 2019
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