when those fucking marathon runners are closing in on a newby runner, you'll often see the newby taking a convenient (and not at all obvious) stretch break.. going back and forth - a.k.a. b & f - from one leg to the other until it's safe to start walking without being noticed by the not-so-newby
"i can hear the fucking marathon runner coming! quick! do the b & f!"
by B & F-er January 18, 2007
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what should I watch b/f bed?
by jrinto November 30, 2006
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Butt Fuck !!!!! "YEAHHHHAAA"
Luke and Eric Butt Fuck when there drunk!!!!
by A and T- UNIT November 29, 2004
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"You gotta map? We're in the middle of B F E!" "I'm outta here - this is B F E."
by bb June 20, 2006
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Big Fuckin' Deal

sarcastic term to describe an overly hyped event which would be as exciting as, for example, crash-out-city, or a fester-val
"Oh, that sounds like a real B F D ",

origin, band ACDC's song 'TNT', with BFD substituted in the chorus and sang in response at a festers' ridiculous comment:
"That's kinda like a B. F. D. -a Big Fuckin' Deal !
by Zack Bathory March 26, 2008
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-Double Entandre:
~BAMF: Bad Ass Mother Fucker
~B(f)AMF: Brother from Another Mother Forever

Basically two uber bad-ass tight friends who are more then just BFFL's
Person A: Dude, your like my best bro!
Person B: Fuck that man, we're B(f)AMF's
by Ian Palmer May 10, 2008
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