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A structure that creates a waterfall of alcohol (usually jungle juice) with a pump to keep the flow going.
"Dude! That alcofall we made for tomorrow's party is going to be sick!"
by 6chicks October 08, 2008
A fall sustained after drinking enough alcohol to upset your sense of balance.
Bob was so drunk he had an alcofall right in the middle of the dance floor.
by Nitsirk August 27, 2007