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1 definition by Raunch Beard

When a female moons you by bending over so far that she presses her vag against a window, as in a car window. The image of a hairy vulva and red/pink labia looks like a smashed animal.
Guy: the other night after the party I mooned a car full of girls, then one of them responded and pulled a smashed rat on us.
by Raunch Beard April 02, 2010