When a womans butt is saggy, flat and generally offensive. Such butts are neither round and supple nor has any hope of such glory. Dumpbutts look just as they sound. The cheeks often have a square droop to them as though they had a load of poop in their pants but just kept on going without changing thier pants. Frankly it looks like their butt is a diaper of flesh and cottage cheeze. When a dumpbutt is on the go it looks like their cheeks are flapping because of flatulance.
"My lord, is that a dead animal in her pants or does she have the worst dumpbutt that I have ever seen?!"
"Everyone run, some girl on the the dance floor just broke out the booty dancing and her dumpbutt is pwning everyone wild."
Hey, You! Yeah, the only girl in the room with a Dumpbutt! Yeah you know who you are!
Inserting multiple sticks of butter into ones anus and letting it melt. Then shitting said butter onto popcorn which has been strategically placed on the other persons chest.
Wow, my butter dump was so nasty it smelled like a dead child... but at least the popcorn was tasty.
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).