When a male is travelling down a water slide and somehow the genitalia suddenly reverse direction and become crushed under the body. The genitalia then proceed to experience extreme friction for the rest of the ride. This is somewhat surprising.
Ricardo was travelling down the slide and suddenly he had an expression of anguish because of waterslide surprise
by Steven Brinks December 3, 2006
Receiving oral sex by two women located on either side of the penis. Particularly length-wise tonguing of the shaft, simulating a sausage on a waterslide. Coincidentally, (Vienna,) Austria being the location where one has a very high probability of receiving oral sex.
Derek: I rode the Vienna Waterslide last night.
Charlie: That sounds fun, I've never been to a water park.
Charlie: That sounds fun, I've never been to a water park.
by harusp3x June 15, 2010
A girl that either has had lots of babies @ a young age, or shes had so many abortions..that its like a waterslide...of fetusus..
by Lauren S. March 8, 2006
The act of slipping laxatives into your partner's food, coating them in coconut oil and pushing them into an empty bathtub naked.
by RatBlaster January 10, 2022
When you rub lard on your bare ass, tie yourself to a pickup truck with a long rope, and have a friend drive you down the streets of Myrtle Beach
by Papi Snaz July 10, 2018
When you spank off in a chic's ass crack. Once her shitter is full of your baby batter, one gets a running start and jumps on her legs, with a raging boner. Your meat missle misses going in her asshole and pushes your cum up onto her back as you slide forward leaving her back in a frothy whitewater mess.
Megan said she wanted something different Not wanted to take Megan's anal virginity, Hal gave Megan a Ukrainian Waterslide. Hal slid off and hit the coffee table. The next day he was in a neck brace.
by RoawdyC April 21, 2016
The act of defecating while balls deep inside your cousin on top of a playground slide before pulling out and using the feces and cum to propel your lover to the bottom.
by GayFuckhead March 13, 2017