A term in retail sales to describe a customer who is bothersome, annoying, or time consuming.
Check out Dave, he's got a fester.

That guy festered me up for two hours and I only made twenty bucks on the sale!

by D317 September 19, 2006
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multiuse-
n: a guy who gets in the way of his friend's game, see also - cockblock

v: to be annoying, irritating
A guy likes a girl, his friend comes up and starts calling him out. The guy is like 'Stop being such a fester!'
by katieishere May 9, 2005
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fester is the root. a collection of festered objects
Yo dude have you seen the festerment in your kitchen sink.

Yo Pasty! There is no way I a paying for that FESTERMENT (in this case cheap and nasty restraurant food)
by Stephen M. January 1, 2005
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If you're 'festered', you're stoned to the bone, maybe you're drunk as a skunk, or perhaps both. Either way, you're an inebriated son of a bitch with the munchies and a 'let's fuckin party' kinda attitude. Popularly used in Santa Cruz, California.
Dylan was so festered last night, he chased his tequila with a bite of mac n cheese.
by GlazedEyeGal February 6, 2019
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1. to sit around and become fat and lazy. 2. usually a tendency of potheads. 3. also known as dark festering if the lights are off.
all they ever do is smoke weed and dark fester!
caitlin is festering.
by megzsexy8888 October 16, 2007
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The act of going to a third-world country and eating out the hookers. But only if she says "I love you".
I love festering when I goto the Philippines and Thailand.
by Lipless Nate April 14, 2008
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The act of being exceptionally lazy.
Dan: Bro you should come over and fester with me I'm gonna watch some awesome movies since it's raining.
Brian: Ok I'll grab my copy of Tokyo Gore Police and be on my way.
by Zamaboy October 28, 2012
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