A vagina which looks very similar to two pieces of bacon jumping out of a breakfast burrito. NOT to be touched under any circumstances.
I wouldn't fuck that nasty roast beef with your dick and him pushing.
by kdeuce April 23, 2005
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When a womens pussy is over-worked, has sex too much or pleasures herself all the time, causing her pussy lips to sag and look like roast beef. Kinda looks like beef u would get in a quiznos sub.
Damn, your moms pussy is so saggy, it looks like roast beef.
by Hardcore Fob February 15, 2007
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Loose Nasty ass pussy that is RED and RAW
i was getin a lap dance from Sarah and she put her nasty roast beef in my face
by Evan June 10, 2004
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In softball, when the runner on third is trucking her way towards the catcher and the catcher thinks she is out... but the runner completely levels her. Like a shit brick house.
Nicolette roast-beefed the girl from WV.
by redheadedwildchild March 26, 2015
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A black womens loose vagina. The outer lips, or the Lavia Majora
Get yo nasty ol roast beef off my doggy head.

Yo coochie look like roast beef!

Get yo quail, roast beef, sickle celled roast beef away from my iced tea!
by SWID March 6, 2003
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When vagina gets fucked so many times that the inner lips begin hanging outside of the vagina itself. Called Roast Beef because the small thin flaps of skin look similar to the shit you see hanging from the bun of a roast beef sammich from Arby's
John: I was gonna fuck this bitch last night, but when she got her pants off, she has the most wicked Roast Beef I've ever seen!

Tom: Fuck man.
by TehCho March 3, 2008
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a black chicks vaginal lips

The spreading of the vaginal lips when a woman gives birth and the baby's head is coming out.
I guess Joe brought home more than the deli- look at the roast beef on that chick!
by Sabertooth nigga December 1, 2004
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