Rumpbump 

The act of sniffing cocaine, or other powder drug off an ass. "Usually a female stripper or prostitute"

She'lol let you take a rumpbump if you give her one too.

Rumpbump by Comeagain,saidvirginmary April 15, 2018

Rump Bump 

When two people bump butts, sans trousers.

Only real best friends Rump Bump

Rump Bump by thebattlefish August 25, 2011

rumpjumper 

An enthusiastically homosexual male.

Ooh, Chrithtopher, you rumpjumper you!

rumpjumper by sbo August 17, 2011

Rump bump 

Chronic acne on ones ass

I tried to clap that, but got too disgusted by her rump bumps

Rump bump by Mliv March 16, 2020

rumphumper 

Someone who likes to plow guys in the ass.

Graham was accused of being a rumphumper when he was caught ass plowing his boss Tad.

rumphumper by Nikolai88 January 16, 2008

rump bump 

rump bump means that when a man grabs a woman/man by his/her hips and shoves his hard erect penis into her ass crack, while in the process of pulling his/her pants down. then, they shove the person on the ground, get on top of the person and rides them like a pony, then you go 69 on their ass

damn bitch, i had sonia over last night and i tried to rump bump her ass but it was too flat and nasty, and she was terrible.

damn hoe, i had m&b in bed last night, they were the best rump bumpers i know.

rump bump by Marissa(: June 13, 2008

Rumpdumpuler

A woman with a large booty that shakes when she walks. It could be found on a voluptuous woman or a petite woman. It just refers to the buttox area.

Her booty is so big, it jiggles when she walks. She definitely has a rumpdumpuler!

Rumpdumpuler by anonymous January 29, 2026