Top definition
A homosexual, someone who humps ones rump.
I always knew he was a rump humper.
by yesh,, March 18, 2008
Mug icon

Golden Shower Plush

He's warmer than you think.

Buy the plush
2
Someone who humps someones ass.
Alex is an offical rumphumper, after she humped hevyns rump in the locker room.
by Alex January 19, 2003
Mug icon

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the shirt
3
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.
by Nikolai88 January 12, 2008
Mug icon

Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

Buy the plush