1 definition by srfsk8snow9

Top Definition
Mom I'd Rather Fuck. When you see a mother and daughter and you would rather fuck the mom because she is far better looking than the daughter.
Guy 1: "Dude, that chick is bangin'!"
Guy 2: "Yeah but her mom is definitely a M.I.R.F."
by srfsk8snow9 April 03, 2010

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