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.
by Poundtown17 February 15, 2010

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.
by John Tartamella June 23, 2018

by coolpersonyo August 26, 2003

The cloudy substance created after somebody drinks a glass of milk and then proceeds to Fill the glass with water without washing it out
by Sudanese charles March 23, 2021

by ozzythefroggo May 22, 2022

by Kingwingwong April 12, 2023

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.
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
