Unknown; something Dr. Peter Shumpmaker's ancestors no doubt built.
"...The guy is Dr. Peter Shumpmaker. Lord knows what a 'shump' is but you can bet your bippy his ancestors made them." -Shoreleave
by Koros December 15, 2009
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The act of taking a shower and a dump at the same time
Forgot to set my alarm so to save time I had to take a shump
by Skaiderade April 6, 2015
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in video games, short for the Shoot 'em up genre.
Mushihimesama Futari is considered to be one of the world's hardest shumps.
by Brightstar March 19, 2007
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The smaller version of Shemp . A shorter useless piece of shit of a person. If Shemp had a mini me.
Shemp just let's shump shemp out all day. Team useless.
by DeezBolas July 2, 2018
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To take a dump and then take a shower without leaving the bathroom. Wiping is optional. Variaton: shamp - To take a dump while in the shower.
Last night I took a monster shump.
Tom had to take a shower after football practice, but he couldn't hold in his dump, so he just took a shump.
by Stew G December 16, 2006
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