After someone had ejaculated in your anus and you attempt you trump, it produces a cum bubble called a cump.
Generous John had me bent over and splaffed in my anus, he pulled out too fast causing me to trump and I cumped.
by Generous John December 2, 2015

Noun/Verb: The act of jacking-off (To cum) whilst taking a shit (a dump).
Cum+Dump = Cump
*Different from Cleveland Steamer in that a Cleveland Steamer is performed with a partner; a cump is usually performed alone, on the toilet.
Cum+Dump = Cump
*Different from Cleveland Steamer in that a Cleveland Steamer is performed with a partner; a cump is usually performed alone, on the toilet.
by Mr. Human September 10, 2007

Man, Wendy will never forget that night she cumped out my load,I suppose it was pretty hard to wipe afterward.
by Aus10 July 5, 2006

When a man has not been laid in a very long time, and shoots a dump-sized load on his sexual partner.
by mograbs October 27, 2011

by Smonk1 February 3, 2020

by Jake Plisken February 3, 2010

by Random14YearOld August 6, 2021
