Noun - The act of getting a blowjob and the girl/guy throws up on your dick.
Verb - To give someone a chunky waterfall (see above)
Verb - To give someone a chunky waterfall (see above)
"Hey Trent, I'm so hungover right now. Don't make me blow you or I might give you a chunky waterfall."
by schoolglue1234 September 6, 2014

A Russian Waterfall is the situation when you gotta pee and your girl is peeing you just pee between her legs as she is sitting and peeing as well
by Tamey January 10, 2012

When a dude finishes in his hand and immediately slaps his load across the side of the girls head into her hair. Thus giving the visualization of a beautiful frozen waterfall.
Joe was so proud of the frozen waterfall he just gave Susan, that he invited his buddies in to check it out.
by scheMATTics October 4, 2011

by SKM3 November 30, 2010

Shit got so freaky last night I gave her a diamond waterfall and soaked the bed. She looked like a thousand dollars after that.
by Yosuke8-bit June 21, 2021

A buzzword agile methodology training sold to companies by process consultants as training that won't actually make you any more efficient. Waterfall development being in opposition to agile development.
We hired some consultants to teach us how to synergize and go to market with hockey stick growth, but they just sold us a molasses waterfall and now I'm laid off.
by boi_squeeze April 21, 2017

The egyptian waterfall is a sex act/prank/home defense system where a man ejaculates down a flight of stairs. This causes the semen to slowly cascade down the steps like it were a waterfall.
Tom: Hey some guy pulled an egyptian waterfall at the frat house last night. It made the stairs all slippery!
by Tomathy Walkens May 30, 2018
