to premature ejactulate; to ruin one's reputation by releasing skeet all over a girl
He blew his chance when he blew his load too early, his duffy was his own cockblock.
by SamFlash February 23, 2006
Get the mug
Get a Duffy mug for your grandma Beatrix.
Nice duffy.
What a colorful duffy.
Where did you get that duffy.
by sportsmangi September 04, 2010
Get the mug
Get a duffy mug for your dog Abdul.
a bitch that calls me "Jetziba"
Duffie: JETZIBA!
Me: Fuck Off.
by Jetzi February 18, 2004
Get the mug
Get a duffie mug for your cat Manafort.
Look at that girl who acts like she is friends with everybody, she's hella Duffy.

That girl that flirts with everyone is a Duffy.

"hey man I got you a ticket to the superbowl" "no way you're Duffy."
by Kawruhhh November 12, 2014
Get the mug
Get a Duffy mug for your cat Julia.
A half hard boner or chub
Are you hard?” “ No man, I just have a Duffy”
by Funnyguy67890 July 11, 2018
Get the merch
Get the Duffy neck gaiter and mug.
When someone is sad or in their bag about something
Bryan- yo my girl broke up with me I don’t think I wanna go out to game night today
Me- yo get out your Duffy and come, Fuck that bitch
by @que_pasaloca January 23, 2020
Get the mug
Get a Duffy mug for your buddy Paul.
A word used to describe a person or action that is DUFF related. It is often used in cases of extreme gluttony, cock blocking, being a fat bitch, being an ugly bitch, and/or being a fat and ugly bitch. NOTE: One does not necessarily have to be a DUFF for this word to apply to them.
"Miranda, you cockblocked Mark from getting to that hot chick over there? That was a pretty DUFFy move."
by hawker240 October 13, 2006
Get the mug
Get a DUFFy mug for your father Paul.