A scrubby little shit that will never hit puberty. And will probably die a virgin. He plays a sport in which he is the worst and slowest on the team. He is constantly made fun of for anything he does. Can’t even stand on his own weight. D-cup sizes manboobs, and left his tampons at practice once. His voice sounds like a squealing kid on Black Ops. Everybody on the soccer team tag teamed his mom, after they tag teamed Christians mom.
by Mihow Cowdung September 21, 2019

Named after the Ex-Philadelphia Inquirer photojournalist/Volunteer Fireman/Businessman. Has met several famous people during his tenure as a photojournalist such as Chevy Chase, President George H. Bush, and several other important figures in the 90's. To be Sean P. Duffy, you have to be a complete boss in any situation your in while being quick-witted and intelligent, making the opposing person of said conversation feel dumb or blessed to be in the presence of such a legend.
Andrew: Hey Sam why is Matt talking so much crap behind my back?
Sam: Idk man, all I know is that you better go Sean P. Duffy on him and show him the business.
Sam: Idk man, all I know is that you better go Sean P. Duffy on him and show him the business.
by Steven Buhrts-Hansen March 10, 2011

An annual gathering of MBA graduates that results in debauchery, memory loss, and hangovers. This event takes place at various harbors along the Southern California coast, and can be held on one large tiki boat or, more traditionally, on a flotilla of electric powered Duffy Boats.
Wow, I really hope that the pictures from this years Duffy Boat Regatta stay on the Photocircle. Last year, Alex fell into Newport Harbor, and Richard lost his pants.
by Boilergirl March 15, 2015

by TheTruthHurtsBitch;) August 22, 2011

The sexiest man ever in the existence, he has a 20 inch penis and will penetrate your mother if he ever seen her
by TheGoatOfCrossmaglen March 4, 2024

Hey, did you see the Duffy woodcock wet william HHH hill rollin oovoo java jackhammers caf at wing stop this weekend? It was awesome!
by DWWWHHHHOJJCAF March 21, 2024

A man with a tiny brain and a even smaller penis. A brain so small he can’t even say Dinge Linge Ding dong. Niall Duffy loves it up the ass but we support him and his geyness
by BIG Barry Victor March 15, 2020
