When you are eating a chick and she shits on your face.
Dude, i was having fun with this chick last night and she gave me a rusty beard.
by Cory Mohr January 3, 2009
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When a women is giving either a man or a women a rimjob (licking of the anus) and the man or woman recieving it shits all over the women's face, giving her a beard of shit on her face.
Oh yea! This one time, I was with a girl, and i gave her the Rusty Bearded Lady, and she loved it!
by J_Dogg January 3, 2009
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