The act of engaging in wicked, rough anal sex. The word "flump" comes from the sound that the "givers" crotch makes when slapping against the "takers" bum.
I know she's not really into it, so I lubed up good and surprised her with some crazy rumpus flumping!
by flumpRus February 8, 2011
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Me and my hometits had ourselves a wild rumpus last night! Yee haw, bitches!
by isleofthieves August 1, 2010
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anal cavity or rectum used as an area for pleasure and leisurely pursuits
My penis would very much enjoy some time in your rumpus room honey.
by Mangy Beast November 21, 2007
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(n) The fleshy part of the human body that you sit on. Also known as "butt" "rear end," or simply "buttocks."
I've got to get off my Rumpus Von Buttocks and go mow the yard.
by Ron Palmer March 25, 2005
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1. A butt that is royal.

2. The nickname for one Princess Toadstool (Peach) of Mushroom Kingdom.

3. An insult, that is appropriate when someone is acting stuck up or snotty.
1. Your royal rumpus is big.

2. The Royal Rumpus got kidnapped by Bowser.

3. You're such a royal rumpus.\Your royal rumpus always gets it's way.
by Rodney Basil October 23, 2003
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A loud and attention grabbing display of public affection in a very very sexual manour usually involving loud slurping of the male or female genitalia
Jennifer and mike were arrested for performing a naughty rumpus in a hotel lobby
by Nautical wizard February 22, 2015
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