rump-a-dump 

To deposit a large amount of excrement in a toliet while straining to the point of hemorrhage.

I ran to the bathroom because i had to rump-a-dump!

rump-a-dump by Phatazz August 7, 2003

rumpadump 

It's a girl with large, but amazingly beautiful booty

That rumpadump is completely swallowing your g-string

rumpadump by rannyran March 30, 2010

Rumpadumpaluvaluva 

Your lover, your soul mate, who has the finest ass in the world and makes you sweet ass blueberry pancakes on Saturday mornings while you watch cartoons.

Yell from the living room to the kitchen:
"Rumpadumpaluvaluva these pancakes are so delicious why don't you bring your fine ass in here and give me some sugar!"

Rumpadumpaluvaluva by Mad werewolf April 29, 2010

Rumpadump 

taking a dump on a sleeping persons face

the friends rumpadumped on his father

Rumpadump by Zth The Wild thang October 16, 2006

Rumpadumpus

A big ol booty

Aye bro look at that rumpadumpus im tryna hit

Rumpadumpus by Cornelius Perriwinkle January 22, 2026