duffer

a slang term for a woman's vagina during sexual intercourse

A guy buries his dick in a woman's duffer.

by DICKshunarie July 7, 2003

duff

to beat up, to fight with and win.

I'm gonna duff you up!

by frank April 23, 2003

duff

used as an adjective or a noun. means cool, awesome, steeze, hot, the shit, etc.

1) that kid is so duff, i want to fuck him.
2) the party last night was mad duff; everyone was there.

by Mahzipan September 5, 2005

Duff man

Someone who takes it up the Duffer

John is a Duff Man

by bob May 23, 2004

Duff Grey

The coolest man to ever walk the face of the earth.

Kinda like Walker Texas Ranger, Except cooler

by Frank October 23, 2003

Duff

Kill me now or shoot me now

Duff me now

by 😂❤️💩 March 9, 2015

duff

that ONE ugly, unpopular person in a group of popular, or hot people. (DUFF stands for designated ugly fat friend.)

Jack: Wow, she doesn't fit in at all. She must be the duff out of that group.

by turtles.166 June 29, 2015