rumper 

A rumper is the act of fucking the asscrack of your girlfriend and cumming on the crack without penetration into the asshole or pussyhole.

I gave my girl a rumper.

rumper by glock17 - Rick April 2, 2006

Rumper 

A term referring to a colon and or anus.

Dude, I would totally stick it in her rumper.

Rumper by Bloinker March 19, 2019

rumper 

To receive a blowjob while taking a shit.

My girl gave me a rumper this morning.

rumper by Babsy999 September 24, 2013

Rumper Bumper 

The rear end of a shapely woman.

She fell on her rumper bumper and suffered no damage.

Rumper Bumper by Brian Babylon September 5, 2011

Rumper Bumper 

Having sex in a casual or non committal way.

Dude, me and Robyn did the Rumper Bumper last night!

Rumper Bumper by mregina February 18, 2009

rumper dumper 

Taking a shit in the toilet system then flushing it causeing the water to come out brown.

Taking a shit in the toilet system then flushing it causeing the water to come out brown. and that is a rumper dumper

rumper dumper by Alex Moretti February 22, 2009

rumper pumper 

Homosexual, derogatory

That guy is a rumper pumper

rumper pumper by E Normis Dickoldoo November 17, 2013