15
"Anything" Absolutly anything you can think of.
This deef is wack.
by AndO November 29, 2003
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16
Deef like Victor will tell everybody.
by DaleksRGwd May 31, 2016
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17
When flatulence is expunged from the male urethra following penetration. I.e. dick fart.
Oh lord i just deefed so hard it smells like dick.
by Walker Morgan December 28, 2010
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18
Shortened version of default
Often said by poker players who continually change all their cards on the first changeover.
When the dealer asks the player if he wants 'five cards?' the player would say 'Oh deefs'
by launcher April 17, 2007
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19
An incredibly noisy and smelly poop, mostly dropped at the exact time someone else wants to use that specific toilet.
I thought I heard the Fourth of July firework show start two hours early, but then I realized David was just taking a massive deef.

That chinese food from the end of semester dinner had our entire suite dropping deefs all weekend long.
by Bossjan Nachbar July 01, 2011
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20
Short for defective. Can be used for a multitude of things, from situations that have gone wrong, to things that have broken, to an ugly girls face.
"Dude, you straight deefed that bowl"
"Dude, I was going to smash, but that chicks face was straight deefed."
"Dude, if I fart now, I'm straight going to deef my pants"
by Sog Man April 15, 2010
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21
1. That of which is deeferent or different. Often times meaning strange or weird.
2. One who claims themselves to be different, individual, unique, or nonconforming. Deefs are usually marked by black clothing, tight clothing, dickie pants cut into shorts, converse shoes, and/or patches on one's backpack.
All of those deef kids sit on the hill with the patches on their backpack and dickie cut off shorts.
by J-Rich January 19, 2007
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