noun : Slack vagina, often excretes solid, stinky waste. Often is seen drinking copious amounts of alcohol, then lying about it. A rare species.
One case of this breed of Duffy is known by many in a small area of northern England (Radcliffe). Treat with caution.
by Eflor Mailliw Evad December 11, 2006
by Lohn Fon Bon John June 11, 2014
Accidentally e-mailing, text messaging, instant messaging, BlackBerry Messaging, Facebook messaging/wall-posting, etc. to an unintended recipient.
Ryan sent an inappropriate email to fellow coworkers, but accidentally CC'd his boss. He pulled a Duffy.
Bro, I was hammered and Duffied my mom last night by sending her a booty-text. FML!
Bro, I was hammered and Duffied my mom last night by sending her a booty-text. FML!
by unclsamiam May 15, 2010
by SeanDuffy March 23, 2014
My homeboy wanted to know if my bitch has any duffy's he can fuck. She hooked him up with her designated ugly fat friend.
by doja303 October 26, 2017
A man who is egotistical. A Duffy is person is prone to kissing up to superiors in hopes of gain. A Duffy is a person who is very fluid with their opinions gravitating to the one that keeps them from getting blowback.
by 5544dadplay April 16, 2019