A man or woman, with such sweaty armpits that they are pouring sweat everywhere. Waterfall effect can be maximized by a light colored shirt.
Watch out, the Human Waterfall is pouring it down again.
by Pyrokaaa December 4, 2008
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The act of urinating and drinking a beer simultaneously.
Chad was so keen to get bent just as fast as humanly possible, he wouldn't even put down the beer to take a leak. Fellow party guests watched in awe as he demonstrated more than a dozen Human Waterfalls before finishing his case of beer.
by spacehead74 September 15, 2020
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