An activity in which participants deficate in the same toilet bowl without flushing. After a large accumulation of feces, and the scent becomes unbearable, you have achieved a witches brew. Originated at valley stream north.
John: Yo Nik I just took a shit.
Nik: Don’t flush that we’re gonna start an ill witches brew.
by John Tartamella June 24, 2018
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Using a toilet for #2 at least 5 times over at least 2 days without flushing.
Man the boys and I have been hitting the toilet nonstop. This witches brew is gonna be potent.
by ozzythefroggo May 22, 2022
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Referring to a situation when a gentleman has not ejaculated for a long period of time. His baby batter has been brewing and thus is quite pungent and foul to the taste.
Dude, I have been stewing this witches brew for almost a month in anticipation of blowing it all over that whores face.

I busted a five roper of witches brew on that bitch and she almost vomited from the necrotic odor.
by Glass House October 26, 2011
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Often used as a nickname

Began as a phase used by Homestar, although no one really knew what it meant
"That CD is the witches brew"
"I am Witches Brew"
by Samantha January 26, 2004
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One of Homestar Runner's catch phrases, as well as his hilarious obsession.
The Cheat, I have a question about your costume. Are you supposed to be some kind of Witch's Brew?
by coolpersonyo August 27, 2003
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The cloudy substance created after somebody drinks a glass of milk and then proceeds to Fill the glass with water without washing it out
That weird mf charles drinks witches brew on the daily
by Sudanese charles March 23, 2021
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When one goes for a long period of time without ejaculating. The cum is brewing and festering waiting to be unleashed. Its as if a group of witches are brewing something in the bottom of a guys balls.
I'm cooking up a mean witches brew. I unleashed the witches brew all over this girl last night.
by Poundtown17 February 15, 2010
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