Double Duffy 

The Double Duffy is used in staff meetings when frustration mounts to the point that you cannot take it anymore. It is usually directed at the person running the meeting, but can also be directed at colleagues. This will usually either end the meeting or move it right along. The double Duffy consists of two middle fingers being directed from the same person.

Can you believe what the boss was griping about in that meeting? I wanted to give him a double Duffy.

Double Duffy by Artteacherman May 25, 2017

Double Duffed

1.) To drink two Icy-Cold Duff Beer at once.
2.) To be accompanied by both Haylie and Hilary Duff

1.) Homer Double Duffed his way out of Moe's.
2.) Some dudes would love to be Double Duffed.

Double Duffed by Jestr November 14, 2007

Double duffer 

A term used by Australian sailors for personnel who comes back to the dessert table to get a second serving of dessert.

My name is Able Seaman Bloggs and I'm a double duffer

Double duffer by Makisig1032 July 9, 2015