The act of filling a waterslide with piss and cum and diving head first into it. It is fully enjoyed when you do it with multiple people and have sex in it afterwards.
"Did you hear about Jame's Washington Waterslide at his house last Friday? everyone contributed to fill it up!"
"Wow talk about a group effort!"
"I wish I went but I was too busy enjoying my girlfriend's Mississippi Birdbath."
"Wow talk about a group effort!"
"I wish I went but I was too busy enjoying my girlfriend's Mississippi Birdbath."
by pimpster69420 September 17, 2023