1 definition by CtrlZ

The act of cumming on a girls back after fucking her doggy style with her head shoved down. Then you proceed to slide down her back, ending with your ass and balls on the back of her head.
I did a reverse water slide on your girlfriend last night. She had a brown streak leading all the way to her mouth, where I slowly messaged my balls into her eyes.
by CtrlZ October 21, 2008
Get the Water Slide mug.