A word pertaining to a person (namely female) who spends most of his/her time welcoming load afer load of semen into his/her multitude of perforations.
Guy 1: Dude, that girl Karah is such a cum dumpster.

Guy 2: I know bro! She took seven loads before finally leaving my house last night!
von PewPewLazrBeams 3. November 2010
Big whore. Still can't count the amount of partners she's had in the last 10 years on both hands and feet put together. You can tell who they are. There usually the one's asking you to by them a drink at the local dive on a Friday night. The woman that offers to by you a drink probably has had it with her cum dumpster friends getting her in brawls over Hoe action.
Girl 1: I can believe you left him. He's so buff. What happened?
Girl 2: After I found out he'd been with that cum dumpster I couldn't stand the sight of him any more. She's been pounded by more men than Debbie Dallas.

Girl 1: Wow your pissed
Girl 2: He'll get his when he's broke and she leaves him for the next fool with a little bank to support her.
von SpeaktheTruthWanker 13. Januar 2010
1. A female who lets all men have easy access to the cat from down under.

2. See Paris Hilton
Mike: Hey what are you doing tonight?
Joe: I don't know, probably gonna watch porn.
Mike: Dude, you don't need to do that. Hey come over to my place, I got us a cum dumpster for the night.
Joe: Sweet.
von Killthepond 10. Dezember 2005
A whore who has lots of sex and doesn't use condoms therefore her vagina is a place where any guy could cum in.
" Omg, did you see that whore back there?"
"Yeah, she looks like a real Cum Dumpster."
von Jay FoJangles 3. Juli 2013
A girl which can be used as semen disposal unit, with multiple entry points, be it cunt, mouth, or ass.
How the hell does Harry not see that Christy is a huge cum dumpster.
von trololololololololololollololo 9. November 2011
Any person who needs many different men to put semen in her snatch or her mouth. She generally tried to accomplish this by stealing other peoples men by pretending to be their friend.
That Christy girl stole my husband and is now his cum dumpster.
von IhateGrigsby 24. Oktober 2011
Person who consumes a lot of cum into the vaginal, oral opening, or any opening. Also likes to be a cum recycling spot for anyone.
Alison Dolly is such a cum dumpster. Jeeze she gets around.
von yaya10 10. Oktober 2011

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