So I took this broad home, and when I finally got downstairs, she had some nasty roast beef action goin' on.
by Alan Michael April 10, 2008

by John Topper February 21, 2007

by Sprungjoker March 30, 2015

by Elmonstrico7 June 18, 2017

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.
by chopper city4 December 05, 2012

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 08, 2010

"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!"
Leeroy: "Nah man, had some nasty roast beef sandwich lastnight"
Adam: "Hanging with my sis again"
Leeroy: "Yeah!"
by tayfromthebay July 25, 2006
