Definitions by Xiber

Dumb Cumpster 

1. A pejorative to the term Cum Dumpster meaning the opposite of a female cum dumpster-hence dumb cumpster.
2. An idiotic or ignorant person.
3. A slutty girl who is dumb and takes in a lot of cum

“Shut up you fuckin dumb cumpster!”

Dumb Cumpster by Xiber June 14, 2008