when u are drinking a beverage and someone wants some they ask for a waterfall ( mostly used by teens in Mississauga)
Joe: yo b lemme have a waterfall?
Bob: arite
Joe: SEEEN!!
by Za December 14, 2005
The waterfall is when a female squats over a toilet and begins peeing, only to realize afterward that the seat cover was down the entire time. This female will probably have to change her pants and/or her shoes after accidentally pulling this move.
That dubb giving girl not only got the hot karl, but had a Waterfall in the bathroom and had to change her pants, socks, and Ked sneakers.
by KLp and AMp December 14, 2006
simialr to a lung, except water is used instead of a bag. fill bottle with water, puncture near the bottom and let gravity do the rest.
we had a few waterfalls and then passed out on the floor.
by da ging June 06, 2003
A device that can make you fly. More fun than attending lectures, but feels like your inhaling a molotov cocktail.
Our 18 litre lung was out of commission so Steve constructed a waterfall out of an old cement mixer.
by Our-Man-In-Nantucket January 29, 2004
when a girl is passed out at a party you drag her into the laundry room, then you pull down your pants stand over her face then pour cold water on her face then she will sit up quickly, right into your ballsack. her ice cold face will give the sensation of a waterfall.
Waterfalls are so refreshing
by Dylan Walsh November 20, 2006
The best commercial bong manufacturer currently supplying In the U.K.
(exhaling plumage all over the room)"I f'kin love my waterfall I do"
by El Cholo February 18, 2004
when 3 or more girls drip cum from one mouth to the other until it is all swallowed or gone.
yo, dam those bitches totally waterfalled my man juice.

I glazed that bitch while she waterfalled kevs cum.
by Justin P nigga April 18, 2008

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