Also known as penile flatulence. Deefing is similar to the female equivalent of queefing.
Deef (n)
Deefing (v)
"He deefed on me last night."
by Doctor Deef March 4, 2016
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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
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it is the male eqivalent of a queef. the male ejects air out of his penis. the "d" in deef stands for dick. it means a dick queef, or a dick fart. a deef sounds like a very high pitched fart
What is that smell? Did you just fart?

No, i deefed.
by Erich Smith April 29, 2007
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a word said when some is way beyond stupid as hell.
that deef just got decked in the face because he forgot to put his hands up.
by Ace trick April 24, 2009
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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 4, 2007
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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 30, 2007
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