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3. Duffy
In the act of sex, when the male is ready to ejaculate, he pulls out and inserts the tip of his penis into the nostril of the sex partner. And ejaculates inside of the nasal cavity. Ending result is sperm dripping down the throat of the sex partner.
Judy: Hey Amber why does your nose look all red?

Amber: Oh he Duffy'd me last night again.
1. Duffy
"verb/adjective" A terminology commonly used in the inner city of Baton Rouge, La. It is used as another word to described the act of something being or going "crazy" "gangster" "retarded". It caught on after being profusely used in the local documentary "Thuggin It and Lovin It".
"I done already took over Sherwood... I f***s with them boys in Glen Oaks, they already know I go DUFFY!" --Rambeezy

"Thuggin' It and Lovin' It"
2. Duffy
A man that is a regular smart ass on a day to day basis. He is an amazing singer, a killer lover, super smart. Really one of those people that you can check all of the above on. Men want to be him and women want to be with him. He is smart, witty, and loves bears.
Krystal: OOO girl look at him he is the cutest guy in her, and he is coming this way!!!

Lena: Thats what you call a fine ass Duffy!!! They are rare and yearn to be tamed!!
4. DUFFy
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."
5. duffy
Polo, collared shirt.
Nice duffy.
What a colorful duffy.
Where did you get that duffy.
6. Duffy
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!
7. duffy
To goof off most of the day at work.
That guy has been reading espn.com all day.
Oh, he's pulling a duffy.
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