When you burp and some liquid from the stomach ends up in your mouth. Term can be used as a noun or verb.
Noun: Pukeup- liquid from the stomach that comes up into the mouth when you burp.
Verb: Pukeup- to partially vomit but only as far as in your own mouth.
Jamie(after taking a big drink of Coca Cola and then burping): "Ewe."
Ben: "What happened, did you puke-up?"
Jamie(swallowing her puke-up): "Yes."
Ben: "Ewe...nice one butt-pipe!"
by Joe Bough October 9, 2006
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Something so incredibly repugnant it causes you to become very sick instantly. Your brain cannot process things as it should and you begin to projectile vomit while looking up.
Dang, Edna, that old snuff dippin' three chinned goon tried to kiss me. I thought I was gonna puke straight up!
by Play On August 17, 2006
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