duff up 

to beat someone up and win

i'm gonna duff you up!

duff up by frank April 23, 2003

Duff you up 

Duff you up means punch you up

Bro ima duff you up: said girl

Duff you up by MT15 June 5, 2020

come up duff 

A person who was a duff in their past and is now a hot glown up masterpiece

Guy 1: Damn heathers a come up duff!
Guy 2: Yah she used to be really ugly but now I really wanna date her

come up duff by Em's definitions August 14, 2017

up the duff 

To be pregnant.

It was very embarrssing for Kevin when he got Peggy up the duff, but it served him right for trying to save money by using a flak jacket.

up the duff by Dunky Oggins December 7, 2003

Up the duff 

Pregnant, usually unplanned.

She's up the duff and really confused right now.

Up the duff by Tsee October 31, 2006

Up The Duff 

Pregnant (Australian)

Did you hear?! Babs finally has one 'Up The Duff'! They've been trying so hard! I'm sooo happy for her!!!

Up The Duff by talk2me-JCH2 March 15, 2022

Up the duff 

When a woman is pregnant.

Elise is probably up the duff by now!

Up the duff by 7bandittt January 21, 2021