one who forgets to use a condom
guy:damnit i forgot to bring a condom oh well lets screw anyway


girl:no thats cumdum
by brandon ennis December 11, 2008
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1. A Kingdom Overflowing With Sexuality
2. A Complicated Relationship That Revolves Around Intercourse
Dude lives in a straight up CumDum. I'm heading to her place, we have the CumDum all to ourselves.
Q. What's the status with you and your girl? A. It's a CumDum
by CatWyld April 23, 2020
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