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
 Get the uncle festermug.
Get the uncle festermug. 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
 Get the festering vaginal blood fartmug.
Get the festering vaginal blood fartmug. a dirty trash picked office chair that you think you can fix up when you can't. it probably carries numerous std's.
by Ocyrus April 20, 2011
 Get the fester chairmug.
Get the fester chairmug. by BabyKan June 9, 2016
 Get the Festermug.
Get the Festermug. Fester Fuck (n): A cluster fuck of a situation that one ignores until either, (a) the conditions of the situation begin to fester like a wound smelling of geriatric diapers and almonds, or (b) it becomes an unmitigated chunderstorm.
That hoarder's place up the street is literally rotting under a 10 year layer of broken dreams and apathy. It is an absolute fester fuck over there.
by Dr. Chunder May 17, 2013
 Get the Fester Fuckmug.
Get the Fester Fuckmug. 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
 Get the Uncle Festermug.
Get the Uncle Festermug. 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
 Get the Festermug.
Get the Festermug.