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 SailHatan999 July 29, 2021

by Cre8ical February 17, 2024

All-Festered-Out: All smoked out. Having smoked enough marijuana and don't want or need anymore. Can't get any higher.
No thanks. I'm all-festered-out!
by JopKatz December 7, 2015

by Mr. Sharp Developer June 8, 2022

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
