When you anel fuck your stepsister so hard shit comes flying out into your mouth and you eat it.
You: "I love the shit fountain!"
Sergal 1: hey, do you wanna make a Cheese Wheel?
Sergal 2: why don't we do a Fondue Fountain instead?
When you put chocolate in a girls pussy and wait for it to melt until you can drink it out of her vagina.
Sarah let me fondue Fountain her last night
When a large, hollow, cylindrical object (such as a pipe) enters so deep into your asshole, blood leaks out from the other side.
Tim: Hey, so do you do butt stuff?
Brock: Nah, not since I made a Tennessee fountain, its the worst.
A sexual maneuver wherein Person A gives Person B a blowjob, leans in for a kiss, then spits the cum into Person B's mouth without warning.
Laurel gave me a Splitsville Fountain last night. It was really weird, but in a way... kinda hot?