fess

1. (verb) to admit that you did something wrong or damaging; shortened form of "confess"
2. (noun) to be highly professional; to treat something as if it were purely business

1. He fessed up to borrowing Mike's car.
2. He wore a suit and a tie during Finals Week. What a fess!

by Mickey K December 20, 2010

Fess

When someone is saying nonsense and you got enough from them (bla bla)

When sarah was saying the joke yesterday I went fesssss

by Flossing up May 30, 2020

FESS

the coolest person ever, emo, morgz fan and tal fan, best person, too cool, 😎😎😎😎😎, rapper and singer, gymnast, fidget queen, famous person, and other cool things 😊😊

person: hi i am bffs with fess
another person: OMG YOU ARE SO LUCKY

by coolemo420 July 24, 2021

fess up

to admit the truth, confess

Come on fess up. I know you aren't really that sick.

by The Return of Light Joker November 13, 2009

fess me up

Talking disrespectful to another individual which can cause confrontation .

Don't try and "Fess Me Up"

by SlangGang101 March 14, 2018

fess up

to confess

"Fess up or we'll all be caught"

by Pete January 20, 2004

fess up

to insult or violate someone

P1 - Shut the fuck up nigga, I'll dead fess you up
P2 - This nigga swear he fess up people

by spinvvs March 1, 2023