When lesbians scissor while one or both have explosive diarrhoea.
"Me and Stacy did a Chocolate Waterslide after that curry last night."
by Gigs_1 October 1, 2022
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When you have sexual intercorse with a minor and she squirts all over your treasure trail right down to your ass hole
by balius September 14, 2010
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Three people fisting a girl at the same time. She is also blowing a dude with honey and laxatives on his dick.
Me, Daryll, Randy, and Bobby were giving your mom the alabama waterslide yesterday.
by TheReaperOfQueefers February 16, 2021
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While performing anal sex, you pull your dick out and drop several "just-add-water" foam expanding dinosaur capsules in her asshole. Then reinsert, pee in her butt and wait. Some of the dinosaurs will flow out when you're done. The others will stay in there for a while and give your wife/girlfriend a nice surprise the next time she TRIES to drop a deuce.
My girlfriend gave me anal for my birthday.
I gave her a jurassic waterslide for being a bitch all year.
by MagicRat October 25, 2017
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The act of butt chugging from another person's rectum.

Person "A" first performs a classic butt chug. Next, while maintaining hold of the alcohol of choice inside their rectum and hose still attached, the other end of the hose is inserted into the rectum of person "B". Then person "A" expels the alcohol through the hose and into the rectum of person "B" thus completing the Devil's Waterslide.
Daniel and Tommy say their gonna do a Devil's Waterslide at the party tonight.
by Morose Monkey June 7, 2022
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The act of dipping your hand in a bowl of ice water for at least 30 seconds while your partner pisses their pants. You then give them a handjob.
Brian and I tried to do a Milwaukee waterslide last night but it turns out he has kidney stones.
by November 25, 2021
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When a male ejaculates into the center of his partners back and has it slide down their partners back, down the butt-crack where it is then slurped up by yourself or a third person.
Dude you should have seen it Chad had Jason give his girl an Australian Waterslide at the Party last night.
by 95Nobody23 May 9, 2023
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