One who consumes a large amount of beer in a short amount of time and then indefinitely vomits due to the large pressure/foam presence.
Mark: WOW! Vigus just drank like 8 beers in 10 minutes...he's totally gonna <B>powder keg</B>.
Troy: Vigus just barfed in the sink...you were right he totally powder kegged.
October 16, 2005
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