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12.
The process of farting out of your dickhole. Like Queefing, but with your dickhole. A deef does not smell like fish, like a queef, but like fresh spring flowers spewn accross a medow with bunnys. A deef tends to sound like a gunshot, and priests and african americans are alergic to them.
Yesterday i let out the craziest deef in church, the priest threw up on the alter, i think he was a black.
by karatychopper August 30, 2010
 
1.
A white tiger with the head of a man.
"Where were you yesterday?" "I was at the zoo checking out the deefs!" "AWESOME!"
by Admiral Dude Kiss May 07, 2008
 
2.
an exclamation used in disbelief, shock and amazement and in response to other generally amazing or incredible situations, events, words etc.
1.
Marcos: Look at the wheels!

Nelson: Yeah, she does have a fat ass.

Rey: DEEEEFS!

2.
Deefs, my paycheck was horrible this week.
by Dictionwary June 04, 2007
 
3.
A person who is very bad at Halo, they usually play under the "default" tag.
Man this new guys nickname is definitely going to be deefs.
by Aburesh01 October 29, 2007
 
4.
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
 
5.
Deef |dēf|

1. noun. Originally used to succinctly describe an instance of delicious beef. Often this is used when the item has a distractingly high level of tastiness and a full sentence is not manageable.

2. adjective. Good, excellent, or awesome. A 'y' is added to the end to create "Deefy" as necessary.
1. "That vendor on Church St. is selling some straight deef burgers."

2. "Taking shots in the library? That's deef, yo."
"That is a deefy burger, my friend."
by LingAnth October 10, 2011
 
6.
short for "default". Used to refer to one's profile pic/display pic on a social networking site
Sweet deef, dude!
by llllllllllllllllllllllll May 08, 2009
 
7.
to defriend someone on Facebook
Man, if Darryl posts one more hipstamatic picture of his stupid kid, I'm going to have to deef him.
by section111 October 12, 2011