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An involuntary action of your diaphragm and or buttocks. The only way to get rid of the hiccbutts is to have someone "fart in your mouth".
Nick: "Hey Samantha, what's up you drunkard? Guess what? You have the hiccbutts!"
Samantha: "Dude, what are hiccbutts? Haha."
by Quinlin Vos January 19, 2010