Ex 1. When a girls pussy is so loose that it looks its throwing up, and there extra meat hanging out.

Ex.2 A certain Summer Set re-rack in beer pong you can only get when you have 5 cups, the vagina with a little extra or a diamond with one at the top aka roast beef curtains.
Ex 1. "You know that girl Dubbe, I heard she got a case of Roastbeef curtains"

Ex.2 "Let me get Roastbeef curtains" (While doing a Floppy hand waving with motorboatin your lip)
by Trizzle Tizzle October 13, 2009
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Roastbeef Vagina can be defined as a womans vagina that has the appearance of a wet, or moist, pink roastbeef. It may have you thinking Arby's.
Eww, that is nasty! She has a roastbeef vagina! D:<!!!
by Rich Dunne August 26, 2008
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it is the act of two older women scissoring each other with a piece of feces between them. during this action someone who is a male gives a golden shower.
sally and haley, two older women decided to get kinky and perform a roastbeef combo.
by frautoasterhead November 10, 2009
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A used up women's vagina after having many men sucked on it her hole life
I gotta go home my ex-wife is coming so I'm going to eat a roastbeef sandwich
by Crack monkey Paris March 13, 2017
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The roastbeefer on /bant/ is just making up arguments.
by bantmaster9000 October 6, 2018
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