duff

A woman pregnant. Also the name of an Irish winger at Chelsea

She is up the duff

by Britboylangers May 21, 2004

Duff

To be the ingenue. Derivitive of actress Hilary Duff

"Only a total Duff wouldn't stand up for herself after being publically humiliated."

by Regina F. October 9, 2005

duff muffin

someone who is utterly crap at mario party..for instance your playing later skater and you just won with a record time and meanwhile the duff muffin is still on their first lap

Matt: Yes! i just won...wait whos the duff muffin

by [e-mail] September 4, 2005

duff

as in to bone a chick. to get duffed out

i duffed this sweet dude last nite yeahhh!!!

by gap slammer November 7, 2006

duff hunting

A female trying to cover her defaults by finding another one worse than her.

Heather was duff hunting looking for a friend fatter, dumber, and uglier than her so maybe the boys would notice her.

by RayLee June 2, 2008

DUFF

Desiganted Ugly Fat Friend. A common acronym used in male cliques. Used to refer to the girl that the "hot chicks" bring along to distract the "Wingman" (every male clique has one, his job is to intercept the DUFF.) so the ycan have the more desirable males of the group.

"Dude, you sooooo got the DUFF tonight."

by TXwolfman817 February 24, 2009

duff sack

a duffle bag filled with illegal substances usually marijuana

I dropped my whole paycheck on a duff sack of that icky sticky leaf

by flash gordon9989 March 12, 2009