An act of brotherly love involving two fraternity brothers seeking true brotherhood. One brother grabs hold of the other's bum and proceeds to "rump it".
Hey did you hear about the U of A SAEdogs?
Yeah I heard they switched their focus to bum rumping.
a rare moment when upon awakening, you witness one of your pets using another pet's rear-end as their pillow. a sure cure to get anyone thru their morning slump
My cat avoids my dog like the plague, but today she decided to cozy on in to produce a well-executed morning rump. I sent my fam and homies the best pics they'll see all week.
Rump in Crock: This is a group activity where every participant deficates in a warm ceramic pot. Once that step is complete, each person takes turns dipping their bottom end into the pot. Step three is to....Sniff your partners rump and take a guess at who’s poop occupies the majority of your partners rump.... the person who guesses correctly gets to eat the rest of the crock
“Hey guys, Matt wants to play Rump in Crock because he missed out last time. He brought his own Crock and he’s ready to get rumped!
The act of getting some one black out drunk on Crown Royal, inserting your fist into their anus, and leaving before they awaken.
I think my girl friend went crown rumping last night because my ass hurts and there were plastic gloves on the night stand this morning.
Oi bruv did were you nutting in the rumpus last night with (insert Dick joke here)
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.