Highly popularized acronym that most effectively captures the essences of excitement, surprise, happiness, or downright shock. It is to be used when one is "Blown The Fuck Away" by a particular event or circumstance.
"After dating for two years, my boyfriend came out as gay...BTFA!"

"She called ME a slut when her last two hookups were in a Denny's parking lot...BTFA!"

"My iPhone has a vuvuzela app so I can make it sound like the World Cup all year long...BTFA!"
by Jonesaaay July 8, 2010
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Acronyme. Bad the fuck ass.
Friend of mine: Dude I just found 100 fucking bucks on the ground! LOL!
Me: Shit dude that's btfa!
by Lothian January 21, 2006
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Bro I'm about to btfa on that hoe there
by spartan065 May 11, 2013
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