A beverage of any sort that you chug right after taking a huge hit. (mainly a hit from a cannabis)
Holy shit man that hit got me fucked up, I need some sludge.
by chiefgod July 31, 2021
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1. Solid waste that is trucked out of sewage treatment plants and delivered to farms as fertilizer.

2. diarrhea.
Who left a load of sludge in the crapper and forgot to flush?
by England phi beta gamma January 27, 2008
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A thick, soupy substance, usually foul in appearance and/or smell.
A filthy brown sludge ran down the walls of the public bathroom.
by BlastMaster May 20, 2003
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A low-life toxic personality who spreads their poison and contaminates the innocent. Sludge is human primordial ooze. Teenage girls often gravitate towards sludge. The sludge soon slimes all over them and the next thing they know the girl's hooked on crack. The trick out stage is next, where Mr. Sludge puts her on the street. She becomes a crack ho and he profits from the dual trade. Advice for dealing with sludge: run in the opposite direction or shoot on sight.
Antwan was a perfect example of sludge when he tricked Sally out.
by MsLi April 1, 2006
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A beverage, composed of a mixture of coffee and an energy drink.
Hold up guys, need to take a sip of my sludge.
by Fm357 December 19, 2022
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Tired and lazy, lack of motivation
Hey Man, I'm on my couch I so sludge right now
by DBird August 29, 2007
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a large group of sluts/skanks
"Pamela Anderson and all her playmate friends are just a buncha sludge."
by FoSkittleMySkitzo November 16, 2005
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