That disgusting overhang inside a womans vagina, who has had children or is a massive whore.
"Damn James Huskey's Girlfriend has some terrible roast beef sticking out her thang."
by John Topper February 20, 2007
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A female with a very bad Camletoe
She must work at Arby's, cause she has a bad roast beef
by Sprungjoker March 28, 2015
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When one places there penis inside of a roast beef sandwich and then dips it in au jus, then proceeds to have anal sex. When finished, the couple must eat the roast beef sandwich.
I roast beef Larry'd a hoe last night and man that tasted good.
by chopper city4 November 30, 2012
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When your girlfriend returns home from cheating and she has another guys cock on her breath.
Duuuude I'm so depressed, Karen came home late last night, leaned in for a kiss and I totally tasted Roast Beef Residual.
by sognatore87 January 8, 2010
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"The flap of vag that extrudes from the lips. Thus giving the illusion of a roast beef sandwich. Thick beef or shaved, either way "bon appetit"
Adam: "Hey Leeroy, wanna get some lunch?"
Leeroy: "Nah man, had some nasty roast beef sandwich lastnight"
Adam: "Hanging with my sis again"
Leeroy: "Yeah!"
by tayfromthebay July 25, 2006
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