a watery, chunky substance that is excreted from the anus in violent bursts
That mexican food gave me a wicked case of butt barf.
by Feason April 30, 2006
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An expression used to express disgust, anger, or general hatred.

Abbreviated: barf.
P1: "Ewww did you see Josh kissing that attention whore Kelsey?"
P2:"Barf on a stick."

P1: "Did you do the twenty pages of Spanish homework yet?"
P2: "Barf on a stick! I totally forgot!"
by Ohdeer October 20, 2009
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The act of a computer software progress bar (percent complete indicator) that gets stuck at 99% or 100% or even worse wraps back around to 0% and starts all over.
Ted: "Hey Ed, are you ready to go? We're waiting!"

Ed: "Sorry, I went to apply these Adobe and Microsoft software patches and I *thought* they were done but now I am stuck in Progress Barf hell because someone needs to teach those bastards what the definition of 100% complete actually means!!!! This progress bar just keeps wrapping around, not sure why they even bother, it should just show a picture of a dude with a gun to his head going 'click click click'!"

Ted: "I feel your pain Bro. Catch ya later!"
by The Beezle October 13, 2011
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When you drank to much alcohol and decide to puke on purpose so you will feel better tomorrow.
Friend 1: Don’t you have to work tomorrow? You are way to drunk!
Friend 2: Nah, I will just do a tactical barf and i’ll be fine
by Jur1234 September 16, 2020
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verb. The act of sperm being ejected from the penis as though cock is in the act of barfing.
I can't believe you accidentally cock barfed in that girls ear.
by Dodez January 18, 2008
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Barf Wars
A post-party activity (usually performed by college students) in which participants attempt to vomit more grotesquely than the other players. The winner is usually characterized by the loudest “gag” reverberation, and/or the player with the most vomit material produced. Frequently takes place over the edge of a balcony; preferably onto your neighbors patio furniture, or a well-groomed garden. Deriving its name from the infamous “Star Wars”, the game has been passed down through oral tradition in specific regions throughout California. Though the creator(s) are unknown, it is widely believed they expired from internal hemorrhage and/or alcoholism.
"Dude, Danny just projectile-vomited past that fern, so he is definitely the winner of Barf Wars."

"Darren almost died the last time we played Barf Wars."

"Steven never wants to play Barf Wars again; last time he puked on his dog."
by Daniel Toon Capps May 15, 2008
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When a girl puts her hair up in a tight bun on the top of her head because she knows she will get drunk that night and does not want to barf all over her hair.
Girl 1: Drink more, dumb bitch.

Girl 2: ok hold on, lemme put my barf bun up.
by peaches&cream66 December 11, 2010
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