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11.
Short for "different", a negative term used to describe someone or something in a derogatory manner. Like there is "bad naked", this is definitely "bad different"!
"Why are you spazzin' out? You are being totally diff!"

"Oh my God, I cannot believe I dated him back in the day; he is completely diff."

"Yeah, I didn't really like that movie much."

"You're right, it WAS kinda diff."

"For the love of God, stop being so diff."
by copel008 November 02, 2009
 
1.
The "diff" is a new stat that has been added to every NBA scoreboard. Because there too many stupid black fans ( a few white ones too) who can not add or subtract quickly in their heads.
Stupid black fan: 'cuse me, let me ax you dis, how much is we winning by?

Smart white fan: look at the "diff" on the scoreboard, the "diff" was added for stupid fans like you!

Stupid black fan: otay
by whitey from cuyahoga hts November 28, 2010
 
2.
1. extremely difficult or challenging
The AP calc test today was really diff.
by 5'1"Racer February 12, 2005
 
3.
Short for differential when talking mostly about trucks and 4x4's
"Yeah I got an ARB locking diff in the front and a detroit locker in the rear"
by Moto May 20, 2006
 
4.
To do a Diff is to power level a character on an MMORPG from the bottom to the top level available in record amount of playing time. MOST who do this, have intentions of their account going to a Ni Hao website (Ni Hao = gold farmer)
(Lumathus):Man where did all our tanks go? they all went to healing spec! argh!
(Unregistered): hmm maybe I should do a diff with my druid so we have a tank in guild eh.
by Anticleia February 07, 2010
 
5.
a nice way to say fucker
You’re a diff.
by bread infection December 07, 2009
 
6.
an unselective and microscopically thorough comparison between two versions of something; comes from the Unix "diff" utility, which gives a list of all the differences between two files.
"First up I'm going to diff the technological advances of the two cultures."
by master_gopher January 16, 2006
 
7.
n. An abbreviation of "different"
As Digitus and the Asian girl are IMing...
Digitus asked, "Hey, u wanna go to the movies?"
The Asian girl replied, "No, let's do something diff. Let's go into a forest."
Digitus asked, "Why? Do you wanna do it? Cuz I do."
The Asian girl replied, "Yeah, let's go to the one over by the ice cream place and bring a condom, ok?"
Digitus replied, "Yeah, I got it. See ya."
The Asian girl said good-bye as they logged off.
by Digitus August 13, 2005