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Old, crusty, or worn out.

"Look at that old bag o' bones over there. She's really festered out."

Broken down; out of commission, on the fritz.

"What happened to your car Sally? Oh, it's festered out again. I think my hubcaps are bad."

What happens to a large pimple with a big white head that grows in the middle of your back that you can't get to.

"Dan what the hell's that on your back? It's all festered out."
"Tish used to be a good lay in the sack, but now that everybody's had a jab at it, she's all festered out."
by Scotty Smith October 30, 2007
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Sep 8 Word of the Day
A casual invitation / threat used by an individual that is not afraid of fucking someone up.
PAUL: I'm going to beat your ass.

JACK: Fuck around and find out, fool!
by NX STARCHILD October 16, 2020
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