duff

English word for semen.

Last night I shot my duff right in her eye.

by The Strut September 29, 2004

duff

adjective describing something lame, or stupid; opposite of kuff

Damn that party was soo duff, way too many dudes in there.

by kufflos January 15, 2009

Duff

Verb; meaning to punch or hit.

"Shut up right now, or I'll duff you!"

by AndreaMK December 3, 2006

DUFF

"Everyone has a DUFF"
Designated Ugly Fat Friend

Call up your DUFF...we can get her/him to drive

by xsiennax March 10, 2008

Duff

UK - to be pregnant

She's up the duff

by Sophie96 April 11, 2015

Duff

UK - to be pregnant

She's up the duff

by Sophie96 April 11, 2015

Duff

Designated ugly fat friend

Duff - a less attractive person who has really hot friends and is an easy target to talk too while out at a party/bar too hook them up with the hot friends

by Eloks July 29, 2015