Upward Waterfall

The act of eating her out while she is upside down until she squirts.

Bob and Cindy upward waterfall last night.

by SKM3 November 30, 2010

Belgian waterfall

Chundering up large amounts of Stella Artois (a Belgian beer), to give the impression of a waterfall

"Ahhhhh mate, Jake has had way too much Stella, look at that Belgian Waterfall

by jakestar99 June 3, 2017

undercover waterfall

The act of urinating on your partner while they are asleep.

While Todd was sleeping in the dead of the night, matt snuck in and gave him an undercover waterfall.

by Gman692 April 2, 2017

Milky Waterfall

When you are about to cum, you pinch your foreskin and hold it, and and then let go when you done cuming, it should just pour out.

when you look at a girl and milky waterfall on her face

by jeessis12312312 June 13, 2011

Midwest Waterfall

When a mentally ill man who is in a hospital/psych ward, urinates all over a nurse who is attempting to help him.
Primarily attempted and seen within the Midwest region of the United States of America.

We got a code 205, a patient is attempting a Midwest Waterfall in the ER. Security backup required.

by Ed Flesh January 23, 2022

Dick Waterfall

We all have a little Dick Waterfall in us. Use in expression of pure passion and pride of present, future and past victories.

Game, set, match, I am Dick Waterfall.

by Erock8 January 27, 2009

Alabama Waterfall

When your sister is riding you, and after you ejaculate you also urinate, so when she stands up it all flows out.

"Sally May ain't on no pill, so I gave her the ole Alabama Waterfall to be safe."

by Chas Duran May 20, 2019