8
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.
by jewbone25 August 16, 2011
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9
Nice duffy.
What a colorful duffy.
Where did you get that duffy.
by sportsmangi September 04, 2010
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10
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
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11
Critical, physocologicaly impared, frightened child that seems unstable but is still loved
Dude, he was so duffy when he saw that kid.
by Snack Cracker May 25, 2006
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12
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
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13
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
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14
to duffy someone is to move 100 miles away from them and to also make up lies about them
hes only duffyed us!
i'll duffy you if you dont come out!
by daninthevan February 03, 2009
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