To run a ridiculously long way for no apparent reason; reference to Forrest Gump's epic cross-nation jog.
runner- Gumped it again today, I've really got to stop doing that...
friend- uh oh, how far did you go this time?
runner- don't really know, twenty five, maybe thirty miles...
friend- why the hell would you do that?!
runner- every time I wanted to turn around, i just thought about how far I'd already run, and how if i went just a little farther, I'd get to... Next thing I know, I've covered miles and miles.
by waytoomainstream September 28, 2013
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Is everything and is everywhere but no one can find out what it is.
Hey man she’s kinda hot, yeah I think I’m gonna take her to the Gump Gump.

Mom: What do you want for dinner?
Me: Gump Gump

You best change that attitude before I send Gump Gump on you!
by Gump Gump September 4, 2019
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So, 'gumping it' is when someone is not quite retarded, but they're like just on that line.
"I need to confess a sin, Father. I worked at a grocery store in my teenage years, I won't get specific. There was this one girl-- are you familiar with the term 'gumping it' --so while it's an ethical conundrum, it's not fucking a retarded person if you were to sleep with 'em. This will come important later in the story..."
by Totally Not A Furry March 6, 2021
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When a person is not quite retard yet they are on the line.
Yeah I fucked that slow chick, but it’s cool since she’s gumping it and not a full retard.
by Human Whisk2 November 24, 2020
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Last night at the party I walked in on shane gumping my retarded sister
by Ironheade March 28, 2021
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To have sex with a almost retarded individual
I was gumpping it with this girl at Christian camp, at least then she didnt need a reason to make a single sentence.
by Mich3villi March 30, 2021
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