1 definition by your one n only

Top Definition
a person whom gladly disposes of semen by taking it in the mouth, vagina, anus, or any other opening in the body.

A cum dumpster will often allow men to literally shower her with semen.
Yo man! Mari is a straight cum dumpster! she's let you cum anywhere you want! hit her up! I'm sure she'll let you hit it! she's easy man!
by your one n only February 15, 2011

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