When your in the shower and you jump out, shit, and hop back in.

(Its very hard to wipe your ass when it’s wet btw)
Sorry i took so long in the shower, i had to resort to a quick jump and dump
by Sketchy S November 5, 2017
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When one puts so much effort into jumping that they take a small dump in their pants
Man, that hurdle race was so hard, I may have taken a jump 'n' dump on that last one
by ThatGuyWithTheStuff November 17, 2015
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A one night stand that the other person doesn't know is definitely a ONE night stand.
Man: "Why you calling me today, bitch? Did I forget to mention that last night was just a jump 'n dump?
by spokaman July 29, 2010
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when you jump and crap at the same time.
Guy 1:Oh my god, you see that guy over there??
Guy 2: yeah... why?
Guy 1: HE JUST DID A JUMP-A-DUMP!!!
Guy 2: damn!
by ConnorDotEXE December 1, 2016
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