Incorrect information. May have had origins in the RAF.
That tip you gave me for the 2.30 at Sandown turned out to be duff gen.
by Gareth May 31, 2004
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basically getting a girl up the duff and then sucking the baby out through a straw when possible
i fucking did the duff chuff to chelsea leigh last night
by ryan926 January 12, 2009
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Former GnR bassist. Adorable in the early eighties but kind of bottomed out in the early nineties. His pancreas exploded due to, too much heavy partying and too much drink. Great bassist though, and he's looking real good right now.
Damn son! Duff is looking fine in the 'Slither' video!

Damn that boys pancreas got Duff'd
by Blurgh May 3, 2005
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Irritating
Designated
Ugly
Fat
Friend
or (I-DUFF)

The new and improved Apple trademarked iDUFF to irritate the fuck out of everyone!

Similar to a dumb bitch and even more similar to the everyday DUFF, but irritating as hell.
A dumb bitch who comes who college dorm uninvited to hang with her roommate while her roommate is visiting her boyfriend at another college and who just wants a little poontang. The I-Duff not only cockblocks said boyfriend, but annoys every fucking in the building through the following: 1) Bitch yells to everyone all the fuckin' time how she loves you 2) Bitch somehow learns your name, even though you and previously mentioned boyfriend haven't mentioned it 3) Does dumb shit all the fucking time to irritate the hell out of every soul around her, thus causing everyone to be pissed off 4) All of the duff traits are fullfilled, thus not even making for a nice bust-a-nut night with any guy around while his roommate is gone
by Smith 105 October 7, 2008
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Hilary Duff's ugly older sister who's face resembles the mask from the movie Scream.
Haylie Duff is known as the Ugly Duff for a reason. That HUGE nose and chin!
by fags-in-the-shower May 9, 2006
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Super fluffy powder that's very good for skiing. Gnar pow pow.
Nice, bruh, I have those too; they're super good in the deep, deep fluff a duff.
by WeelAfterbangs January 19, 2011
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(n)- blonde who lipsyncs (see New Year's Eve), "acts" (cough), feels that fighting with other actresses will make her feel better about herself (see Lindsey Lohan, Avril Lavigne), mama's girl (wouldn't be famous if it wasn't for her mother), famous for some unknown reason (still can't seem to figure it out); for all hilary lovers- if she's so "pretty" why does she wear ten pounds of makeup to cover up her obviously ugly face? oh yes- and why would everyone who hates hilary be jealous (some people really need to learn how to spell that word)? i can mouth words into a microphone! i can put on makeup! i should be famous!!!
If Hilary Duff is not stopped:
One day, all of the brainwashed ten year olds will unite with hilary as their leader. they will overthrow the president and all other forms of government. they will then proceed to have everyone listen to metamorphosis nonstop. this will result in deafness throughout the world. people will also have to watch lizzie mcguire for hours. this will result in loss of eyesight. the world as we know it will be destroyed!
by DIE HILARY April 10, 2004
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