Top definition
When someone is incited to laughter while drinking beer, causing said beer to usher forth from his mouth with great haste.
Lee was drinking from his beer when I told a joke, he laughed and had a beersplosion.
by scotchyscotchscotch December 03, 2010
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2
The sudden splatter of beer foam and air that results from when a keg runs out whilst pouring beer from a tap.
"I was pouring beer and the beersplosion let me know it was time to change the keg!"
by potato_pancake June 11, 2013
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