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

Rumstumper 

A transradial amputee who consumes copious amounts of rum, and then inserts their stump into the vagina or anus of another individual.

Me: Hey Brad, I heard you took that chick Tassie from tinder out on a date. How did it go?

Brad: Oh, you know, we watched a movie, had some rum, and then I gave her a good old stumping.

Me: Oh Brad, you little rumstumper.

Rumstumper by Happy Flaps June 24, 2017

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

Rump-thumper 

An idiotic person, often a homosexual.

Valentine is such a rump-thumper!

Rump-thumper by Matt October 27, 2003