When you cum and dump at the same time, reaching the ultimate climax.
"Oh, man. I just had my first cump."
by BangsMccoy June 20, 2021
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1. A man who dumps his cum in any open hole he can find
2. A man who has many sexual partners
3. A man with low standards of cleanliness
Cump (noun)

Men can be a cump, cumper, cumpster, cumpy:
"Ew. Don't date him. He's a major cump" - can substitute other words above like cumper, cumpster
"If you're horny, he's super cumpy and will do ANYthing you want"
by EClever$ January 6, 2021
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When two Bros DP a {Hump Back Whale} and during her ass arch, they projectile ejaculate up and over that phatt ass onto her back while moaning like a whale
So after we slayed in the rink, Riley and I gave this phatttt bitch a Double Cump back whale, and let's just say we had to use a lot of paper after that one.
by Hweems July 10, 2020
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The act of cumming whilst cramping.
"Oh shit... I was looking forward to a great shag but ended up cumping hard. It hurt but felt so good. I looked like I was being electrocuted as streams of jizz flew out of me"
by Sticky&Nicky December 20, 2021
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