A most vile habit where a person removes their pants and leaves a dump on the top of their friends stair case and then leaves it overnight for the friend to clean up.
"Jono Whitby had a dump on his mate stairs"
"Ew, What the fuck. He is a right stair dumper"
Can’t decide which of you gets to go to the bathroom first? With the homie dumper you don’t have to worry about it. The homie dumper is a new innovative system where your friend sits on the toilet and takes a shit while you sit facing him, with your legs wrapped around him and shit through his legs into the toilet or the other way around. Never lose friends again over who gets the first shit!
“If you won’t let me use the bathroom first, let’s just take a homie dumper and be back out quicker!”
someone who is being negative and or sad. Therefore making others sad.
"Jen is being such a downy dumper it's making me sad too."
Rumper Dumper (Or Rumpy Dumpy) refers to a HUGE ass. I'm talking giant butt. Milked up butt cheeks, the whole nine yards.
Johnny: "I've never seen a man with an eighty-pound Rumper Dumper."
Someone who is a “little rascal” or is very “greedy” or someone who resembles a “gold fish”
You know what your a “plumper dumper”
Anal sex, usually performed with great force and speed.
That skank was loose as hell so I opted for a little dumper humping instead.