twaterslide 

A woman who has birthed many a child, making the proceeding births much easier.

A female who is so loose that her equipment could be a water park attraction.

There out to be a child limit on her twaterslide, the children will run into each other at this rate.

twaterslide by Stan-el January 23, 2014

twaterslide 

An extremely wet female that provides an excessive amount of lubrication

I got her so wet last night that she was a total twaterslide

twaterslide by Molly Spoon June 25, 2007

flint waterslide 

It's a rusty trombone that involves explosive diarrhea. Not recommended ever.

Megan and Rob were so drunk she gave him a flint waterslide . The bed sheets were ruined. No more steak and shake.

flint waterslide by Originaljbw July 28, 2017

Italian Waterslide 

The sexual move where the girl straddles the mans face arches back and pours an alcoholic beverage down her chest over her vagina and into his mouth.

Last night Mark was thirsty so I gave him an Italian Waterslide

Italian Waterslide by Lord of the Tounge December 28, 2010

Waterslide surprise 

The unexpected feeling of a person's genitals on another person's back, sometimes when said persons are on a waterslide together.

I gave him the waterslide surprise

Waterslide surprise by jacinto obnagon March 24, 2003

Waterslide surprise 

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

Waterslide surprise by Steven Brinks December 6, 2006

Fetus Waterslide

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..

Look over there! Its Fetus Waterslide girl!!

Fetus Waterslide by Lauren S. March 20, 2006