Urban Dictionary: fessing up

admitting something.

Kudos to the teen for fessing up the whole story.

by happymonday October 30, 2013

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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

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"Fess up or we'll all be caught"

by Pete January 20, 2004

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To diss; to insult.

Jane (to John): you're dumb stupid.

Joe: ohhhhh, you just got fessed up.

by Yugojokes July 13, 2011

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Also used as "fess it up"
1) To give or relinquish.
2) A request for booger.

1.
Person A: I'm goin' to the store - you want something?
Person B: Yeah, get me a dope and a moon pie.
Person A: Fess up some $, biatch!

2.
C'mon baby fess up some of that booger!

3.
Dude, did you get her to fess it up last night?

by [KmA] Jumper May 25, 2005

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Talking disrespectful to another individual which can cause confrontation .

Don't try and "Fess Me Up"

by SlangGang101 March 14, 2018

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