Where one, or more friend hides in the closet as you begin to have intercourse with a women and as things begin to become "heated" jumps out of the closet and yells "rump back rodeo" .

You then proceed to jump on your mates back and hold on for as long as you can, Riding her like a bull waving ones arm back and forth.

Not needed but accommodates the situation is a hat, preferably a cowboy hat.
EX:

Steve: "Did you hear what josh did last night"
John: " No, what happened?"
Steve: "Well he hooked up with Tracey and we did a rump back rodeo"
John: " Nice, how long did he last"
Steve: "At least two minutes"
John: " She must be pissed"
by Rumpback Pat January 21, 2012
Get a Rump Back Rodeo mug for your dog Abdul.
1. The result of having anal sex with a diabetic who's forgotten to take their insulin.

2. When you fuck a diabetic in the ass so hard that they slip into a diabetic coma.
A: Dude, I was fooling around with Sandy last night, and well .... rump-beetus.

B: Woah, I didn't know she was diabetic!
by ErantyInt June 06, 2012
Get a Rump-Beetus mug for your sister Helena.
A code word for sexual intercourse when a man can't ask for it directly
Do you want to rump buns
by Lndzb October 25, 2017
Get a rump buns mug for your girlfriend Yasemin.
Aggressively having sex with someone sweet and innocent
Dude I brought that girl home from the bar and totally rumped the rabbit
by Natandtams April 04, 2017
Get a Rumped the rabbit mug for your cat Günter.
An oily, malodorous substance found in the folds and cracks of one's butt. Typically found after a hasty wipe and/or following a rigorous workout routine. Similar to butt cheese or duck butter. Could also be a prime ingredient in the making of truffle butter.
Noun: I itched my butt and retrieved a healthy dollop of Rump Grease.

Verb: My girlfriend Rump Greased my driveshaft. I had to take an immediate shower. It itched for a week.
by Doc184 March 08, 2016
Get the rump grease neck gaiter and mug.