Reverse waterfall

When a female ejaculates so hard her pussy fluid squirts up your chest from your waist.
Last night I fucked a girl so hard that her pussy reverse waterfalled me.
by December 13, 2021
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brown eyed waterfall

When you pour a beer down a chicks asshole while your underneath her drinking it.
I was at the bunny ranch and got a brown eyed waterfall with my nightly special.
by Linderdizzle February 29, 2020
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Australian Waterfall

An Australian waterfall is the act of marinating a juicy t bone steak in a lady's period blood and proceeding to barbecue it.
Allan and Wendy made some Australian Waterfall Steaks last night.
by Pooh bear's constipated rectum January 20, 2014
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salty waterfall

A Salty Waterfall is a waterfall in which a female uses her vaginal cavity to suck up seawater, and then regurgitate it into a man's mouth while eating her out.
"Hey man, that girl you're talkin' to right now? Yeah, she gave me a salty waterfall at that party last week!"
by #1 Education Place February 25, 2020
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waterfall grotto

A suave moniker for the bathroom, restroom, bog, loo, etc. Coined by wealthy industrialist, philanthropist, and, uh, bicyclist H. E. Pennypacker.
“Now, I assume there’s a waterfall grotto?” -Pennypacker

“No.” -Christine Nyhart
by Khronus August 06, 2024
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Edgy-Waterfall

When you haven't wacked off for a month and the cum has built up pressure, causing it to explode and drip off your hand.
"Yeah man!, the next time I jerk off it's gonna be an Edgy-Waterfall."
by YippyKaiYo69 May 08, 2021
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Chili Waterfall

A variation on the classic upper decker, combined gracefully with the dry dock.

Step 1: Turn off the water for the toilet at the valve.

Step 2: Perform one last flush, draining the remaining tank water.

Step 3: Perform an upper decker, but do not turn the water on. A loose stool is recommended here, with inspiration being drawn from the name.

Step 4: Leave the toilet, water off and bowl emptied, with the chili base in the tank.

Ideally, the smell will draw attention. The unfortunate victim them turns the water back on, thus "making the chili." Next, a flush...and aged (or "simmered") brown streams of Texas brown flow into the bowl. A true masterpiece, intended only for the very brave!
"I'm playing a long game. My in-law's bathroom has a chili waterfall simmering--can't wait until they find it!"
by Jack Trager August 14, 2023
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