A pun in which the word "come" is replaced with the word "cum" (colloquial of ejaculate) in a sentence that would otherwise be innocent and/or socially acceptable.
Harry: "Would it be immoral to have sex with her?"
Jake: "I dunno, man, take it as it comes I guess... Aw, shucks, could have slipped a "cum-pun" in there."

Harry: "Would it be immoral to have sex with her?"
Jake: "I dunno, man, take it as it cums I guess."
by Shit-Cunt August 1, 2016
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That ecstatic feeling after a good, hard, pun.

See also:
Pun-Cummed
Pun-Cumming
Pun-Came
Pungasm
"Maybe there's just something about drawing a bow that make people quiver...Ooooh! I've just pun-cum."

"She just pun-cummed all over my brain"
by MYSTerypersonofundefinedgender September 30, 2016
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