Definitions by srfsk8snow9

M.I.R.F. 

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."

M.I.R.F. by srfsk8snow9 April 3, 2010