1. A part of the government dealing with th control of Alcohol Tobacco and Firearms.

2. An online gaming family, slowly making its way into every online game for the past 11 years.
*S* homos! Whos up for some humping?!
by Klae February 03, 2005
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The Federal Bureau of Alcohol, Tobacco, and Firearms. Even they know these three things go together.
The ATF is soooo smart.
by UrbanDictionaryRocks12345 November 13, 2011
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Are they fucking? - A game often played with friends in public while people watching...
(After glancing at another couple, you ask your friend) ATF?
by D,C,N,S Owens Lunch April 20, 2010
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As pertaining to Dr. Sheldon Cooper's (primary character of The Big Bang Theory) tendency to think of himself as the comic book hero, The flash. This acronym is quite understandably extended out to be "As The Flash"
Meaning both that you are pretending to be and are considered to be The Flash.
by DRSHELDONCOOPERastheflash April 29, 2011
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