rump humper 

A homosexual, someone who humps ones rump.

I always knew he was a rump humper.

rump humper by yesh,, March 18, 2008

Rump Humper 

Someone who humps someones ass.

Alex is an offical rumphumper, after she humped hevyns rump in the locker room.

Rump Humper by Alex January 19, 2003

rumpthumper 

A person who will hump the shit out of someone's behind, usually until sore. Happens to either males or females.

Can also be used as a compliment, usually to someone who fucks a lot, or is really hot and gets girls.

That guy is such a rumpthumper, or Dude! She just got rumpthumped!

rumpthumper by rumpthumper March 27, 2011

rumpjumper 

An enthusiastically homosexual male.

Ooh, Chrithtopher, you rumpjumper you!

rumpjumper by sbo August 17, 2011

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