look up any word, like jamflex:
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!”
by Xiber June 13, 2008