A built-in waterfall is a slang term for a well-lubricated vagina. One that is very wet and moist. One that has been aroused and may be expecting company.
Her built-in waterfall was inviting
by Wittty1 November 6, 2023

by Linderdizzle February 29, 2020

Inflammation of a girls cumming glands. her vagina starts soaking her pants out of left field for no reason.
Ex. yo, girl. I was drivin down the road and my waterfallitis kicked in so bad I had to stop and change my pants. Shit was cray.
Ex. yo, girl. I was drivin down the road and my waterfallitis kicked in so bad I had to stop and change my pants. Shit was cray.
Ex. yo, girl. I was drivin down the road and my waterfallitis kicked in so bad I had to stop and change my pants. Shit was cray
by WHISPERS November 20, 2014

by DigitalScary January 3, 2022

A woman wearing light pants while on her period. Gravity takes control of her fate and the flow goes. Consider it one hell of a crime scene.
by DJmoghashira March 22, 2025

When the women puts herself in the piledriver position, and legs wide. The man then inserts a uncorked bottle of champagne into her pussy, then shakes it up. The champagne flows out of her pussy and then down her body and into her mouth. She drinks her piledriver champagne waterfall.
While in the piledriver position, champagne is poured into her pussy then down into her mouth. Piledriver champagne waterfall.
by whtronin October 5, 2022

by Water Style April 24, 2024
