Top Definition
The act of simultaneously puking and pooping. Usually follows bad food or a night at the bar.
"dude, after those AMF's and that leftover chinese food, I was piuping ALL night!"
#puke #poop #bar #chinese food #diarrhea #vomit #explosive #amf
by Bionic Woman and Captain Obvious December 07, 2006
8 Words related to piuping
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