sandy waterfall

When you make a girl cum at the beach
Guy 1: Yeah, we were at the beach and I gave her a sandy waterfall
by Nerd_With_A_Turban April 21, 2016
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rock waterfall

Urinating on one's own scrotum, often by accident.
Steve's pants were too tight, and it was very hot out. He had to keep drinking water, so inevitably he wound up having to pee. He entered a McDonald's, and when he got into the bathroom, he realized he also needed to poop. So he sat down on the toilet, and as he let out his stream of urine, he did not yet realize the degree to which sweat had glued his scrotum to his shaft, and received a rock waterfall.
by Eric Jean August 17, 2017
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Muddy Waterfall

When one urinates through the legs of another person who is defecating.
Pisser: "Bro, I really gotta piss!"

Pooper: "Dude... I'm taking a shit"

Pisser: "Whatever bro, lets muddy waterfall!"
by fuzzedhead April 30, 2011
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Persian Waterfall

The feeling of a man’s semen dripping out of a woman’s vagina after sexual intercourse
After sex, my vagina becomes a complete Persian Waterfall.
by PKMyDadLeft June 17, 2021
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Shinabe waterfall

when taking a shit at the bar and forgetting to tuck your semi-flaccid penis into the bowl thus spraying urine about your face and pants.
Brad gave himself a shinabe waterfall while taking a shit at the bar.
by Street sweeper September 07, 2015
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Chocolate Waterfall

“Honey! Our baby let out a chocolate waterfall. Come help me change his diaper!”
by IWantToBeUnknown September 26, 2021
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Crotch WaterFall

The Act of rubbing sexual organs together while under the shower head
by sap302 March 01, 2011
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