(n.) When a female, standing on the ground, urinates upwards in an arc onto an elevated bed or other high place. A specialized form of the Golden Shower, this feat is more difficult for women than peeing standing up, even into a urinal.
"Can she use a urinal? Man, yesterday I seen her hit the ceiling with a roast beef rainbow!"
by Adit June 15, 2008
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Two hot chicks in a vigorous scissor session working the beef curtains all but raw.
I was so horny when I got back to the dorm I crawled into bed with my roommate and had a roast beef rodeo till I passed out.

I walked in on my aunt and her girlfriend in a hot roast beef rodeo. Don’t mind me just watching.

As her panties dribbled to the floor, her dangling beef curtains were a sure sign of the wet sloppy roast beef rodeo I was about to enjoy.
by Dick Onchin December 13, 2021
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a blown out vagina to where the lips look like roast beef hanging outside the edge of a sandwich.
Damn that dirty bitch has RBDs(roast beef dangels)
by Goon Squad January 25, 2007
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A term used to describe a loose vagina, coined through the fact that the pussy lips hang apart from each other much in the same way as slices of roast beef
She wanted me to eat her out. When I pulled off her pants, I saw that she had roast beef slices. So I melted some cheddar in it and dug in.
by Ryan K-Dogg October 18, 2006
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Extra long and dark labias resembling curtains made of roast beef.
by Jose85 October 22, 2006
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The discoloration effect when pussy lips get blackened from too much sex.
Dude I would never go down on that girl. Not with all that roast beef action.
by The_Truth.net October 7, 2015
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