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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!
fess by Mickey K December 20, 2010
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When someone is saying nonsense and you got enough from them (bla bla)
When sarah was saying the joke yesterday I went fesssss
Fess by Flossing up May 30, 2020
Related Words
fess fess up Fessage fessed fessenden Fessis Fessin Fessle fessy Fess-bian
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
FESS by coolemo420 July 24, 2021
Come on fess up. I know you aren't really that sick.
fess up 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"
fess me up by SlangGang101 March 14, 2018
"Fess up or we'll all be caught"
fess up by Pete January 20, 2004
P1 - Shut the fuck up nigga, I'll dead fess you up
P2 - This nigga swear he fess up people
fess up by spinvvs March 1, 2023