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When one is eating or drinking and a sudden bout of hilarity occurs, forcing the aforementioned food stuffs or beverage to explode out of one's nostrils and/or mouth.

explode + laugh = explaugh
Tania was drinking her strawberry milkshake when Leon showed her some crazy crap on the internet, shocking her into violent laughter and causing her to explaugh all over the keyboard.
by tanimal April 04, 2014
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