To allow a freshly applied substance (usually a liquid like paint, stain, seal, etc.) to set, dry and/or cure. Term introduced on the Handyman for the Common Man web TV show.
“To achieve a super duper finish on your unfinished cabinet, you’ll need to let your homemade finish uncle fester for at least two hours.”
by The Handy Writer May 9, 2009

The sound made when a woman who is having her period and has not washed in several days; has sex with a large man which causes a pussy fart.
I was fucking Linda last night when she blasted me with a chunky festering vaginal blood fart and man did it smell.
by smokin_oil December 7, 2009

by derageosfear70 August 8, 2020

A male senior, commonly named Tim, who looks like a shaved sack.
Behaviors may include bending over for his big daddy, acting like a bitch when he does not get attention from his big daddy, being a buzzkill, requesting to be designated driver for his big daddy, and getting jealous when others give his big daddy attention.
Behaviors may include bending over for his big daddy, acting like a bitch when he does not get attention from his big daddy, being a buzzkill, requesting to be designated driver for his big daddy, and getting jealous when others give his big daddy attention.
by UncleFesterLove July 5, 2024

A male senior, commonly named Tim, who looks like a shaved sack.
Behaviors may include bending over for his big daddy, acting like a bitch when he does not get attention from his big daddy, being a buzzkill, requesting to be designated driver for his big daddy, and getting jealous when others give his big daddy attention.
Behaviors may include bending over for his big daddy, acting like a bitch when he does not get attention from his big daddy, being a buzzkill, requesting to be designated driver for his big daddy, and getting jealous when others give his big daddy attention.
by UncleFesterLove July 5, 2024

A person who has reached ultimate crustiness and disgustingness, a person who has lost all humanity to being gross
Person 1 :Yo did you see that girl eating a week old piece of dominos pizza
Person 2: ya she’s is like such a fester
Person 2: ya she’s is like such a fester
by Rock ur world March 27, 2020

Kid 1: Look at that guy he must be a pimp.
Kid 2: How do you know?
Kid 1: Look at him Festering The Fingers
Kid 2: How do you know?
Kid 1: Look at him Festering The Fingers
by Wryte Chandler August 6, 2008
