1. A female or male that has slept with many people in one day and has other people's cum filling either their anus or vagina or both who then proceeds to get rid of it in any Manor (while being video taped most likely into somebody's mouth)

2. Using the bathroom after being filled with cum by more than one person in one excrementory motion
She is such a cum dumping whore been in the bathroom for 5 minutes excreting the cum with her phone out and her best friend was recording it
by Mr. Wickit July 22, 2019
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When a womans ass gets completely filled with semen from a large group of men, then chugs a bottle og magnesium citrate causing her to expell all the semen like a volcanic explosion.
Dude! We turned a chick into a volcanic cum dump last night! A bunch of guys busted a nut in a chicks ass, then she chugged a bottle of that liquid stuff you drink before a colonoscopy, she violently shit out all that cum all over the place!
by XxxDarkKnighxxX June 4, 2023
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A woman with a plump booty covered in sprem
Yo g why yo mama gotta cum dump truck
by Orangatangmilk June 4, 2021
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When there's been a lot foreplay and it only takes two pumps of a penis to get them to cum
I was with my date last night and it ended with a two pump cum dump
by Cake.is.my.otp August 18, 2017
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When you catch your 10 year old cousin blasting rope to fortnite porn at 3:27AM, so in response you join him.
Last night me and my cousin did a double pump cum dump!
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a way to call some one a slut or a insult
that gay cum dumpster named fusion 425
by geomy January 25, 2021
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(n.) A guy who likes to have his arse fully filled with cum. A man into whose arse (or mouth) one can “dump” one’s “load.” (“Load” meaning a thick wad of spunk). Always up for receiving a raw gangbang, and for being used hard by almost any male.
I’m happiest when I’m being used as a cum dump by big, dumb, muscled blokes.

He used me as his cum dump and I was leaking for days!
by Frozen Prevert October 6, 2024
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