1 definition by Pimpster7

refers to a skank or whore's vagina that has started sagging from a shit load of use.
person 1: Dude I can't wait to bang her
person 2: I wouldn't bang that! She's got vag-fat
person 1: Ew. dude, screw that I'm gonna go bang your siter instead.
by Pimpster7 September 19, 2007
Get the Vag-fat mug.