When you give a courtesy flush while taking a dump, but the water level touches your balls/penis.

Something similar to this is the witches kiss.
by Witches kiss March 1, 2017
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The Witch’s Cauldron is a seasonal sexual act in which the male ejaculates into a glass of Mountain Dew, symbolizing the contents of a cauldron, and the female drinks it down. The carbonation, along with the jizz, gives the disgusting drink a wonderful Halloween aesthetic.
Ratchet 1: “Britney I can’t wait for Halloween my bf is gonna make a Witch’s Cauldron!”
Ratchet 2: “bitch”
by Monkey Shagger October 11, 2019
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When a woman expels air from her vagina with such force that bubbles are produced in and around the entrance.
"Mate, I was giving head to this girl after doing her from behind only to be greeted with a witch's cauldron."

"Man, this girl queefed so loudly, I bet she produced the witch's cauldron."

"I would love to add some milk of man to HER witch's cauldron."
by beefdiaries February 26, 2014
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To cup ones hand over the anus in the shower, forming a tight seal. Once filled, fart into the water, making a bubbling cauldron sound.
Sorry about the smell in the bathroom, I made a particularly bubbly Witch's Cauldron.
by jeezihavenfi October 30, 2008
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To pee in someone's ass while they're farting so that the pee bubbles like a cauldron.
Dude, Josh totally gave Tiffany a witch's cauldron at the superbowl party.
by Mekkanism January 31, 2008
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when one pours one metric litre of KY(gotta be KY)into the anus of their partner and stirs vigorously with ones phallic member.
"my girl wouldn't look me in the eye becaue i gave her the witches cauldron last night."
by Beefmasterconan August 13, 2011
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The witches cauldron is when you get a massive fucking cauldron and mix all drugs known to man in there then proceeded to get high off of the fumes
Guy 1 : "Dude I was at this wicked house party last night I got soooo fucked"
Guy 2: "Oh shit what did you take"
Guy 1: "Bro we smoked the witches cauldron"
Guy 2: "Fuckkkkkkk"
by Midgets piss me off January 6, 2022
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