one who jizzes in their pants at anything like in the lonely island video.
A breeze flew in and I jizzed in my pants. That is a negative one pump chump move.
by Thisgirlruns August 12, 2012
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A person who drinks one drink and is drunk/ throws up. Lightweight
That dude is a one pump chump he threw up off one drink.
by Slapanja September 2, 2020
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A two-pump-chump who looses his load almost immediately when he fucks a girl's tight asshole.

See Also: Two-pump-chump
You're a number two pump chump John. I know this 'cause you reek of asshole and disappointment.

I let him do me in the ass for the first time and it turns out the fucker is a number two-pump-chump!
by Julie is Queen March 14, 2008
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Errol couldn'tmanage to do the job at

hand.This isn't good for any woman,but
worse especially if she's married to him

I would think,what a disappointment 🤫
Errol a two pump chump

By the looks of things my man needs to be applying pressure to himself, it's not any woman's fault if it don't get up..
Just saying!
by Janet21 February 9, 2023
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When a man orgasms and semen vigorously flies out like a fire hose in four times.
Bill is only a 4 pump chump when looking at his mothers bare chest.
by odhalksdjfn;asdfvg August 2, 2017
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self-infatuation mentally and/or physically
daves' a nice guy for a pumped up chump!
by michael foolsley November 19, 2009
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When a guy is having sex with a girl and she is bored so she watches tv as he is pumping away like a chump.
I watched part of an infomercial while he was chump pumping away. Sex is soooo soo on boring with him anymore
by athena2013 November 18, 2013
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