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EXFIL (also exfiltration or Extraction), in tactical combat and special operations use, is the process of removing constituents from a targeted site when it is considered imperative that they be immediately relocated out of a hostile environment and taken to a secured area under friendly control. Extraction may imply rescuing entities from grave danger or immediate conditions that they are incapable of surviving. Both extraction and rescue may be for unsuspecting and/or unwilling persons and involving rapid deployment, dynamic defense of the moving tactical envelope and high-speed extrication by a special force protection team. Extraction is also referred to as "dust-off in xx (minutes)". The LZ is the landing zone for a helicopter or airplane, usually marked by coordinates, smoke grenades with a color recognizable in that area, or flares.
EXFIL

Short for exfiltrate, also known as leaving a given area.
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Yo this party is wack, I'm gonna exfil.
Exfil by 4dm1n December 18, 2008
Related Words

premature exfoliation 

The tendency of certain trees to display autumn colors in August.
Amy was depressed when the oak exhibited premature exfoliation in the middle of August.

Efilnikufesin 

An Anthrax song from their 1987 album Among the Living. It spells "Nise(nice)fukin(fucking)Life" backwards.
Miles has a real efilnikufesin..
Efilnikufesin by Kilometer612 July 30, 2009

Penile Exile 

When you sell your house and/or get fired from your janitor job but still continue to give money and support to a younger woman who does not fuck you and even squanders the resources on her playfully abusive ex boyfriends.
Well let's just say M & M were on permanent penile exile from the other M.
Penile Exile by Ranchgirls December 6, 2020
Very beautiful girl who is well spoken. Many guys like her but are too afraid to make a move because she is smart, beautiful, and a little sassy at times. She is a sensitive girl who wants everyone to get along. Get you and Efileni. She is one of a kind.
Boys: I wish I had an Efileni. She seems overly confident. Someone help me. She’s too beautiful.
efileni by Yser120948 April 27, 2022