look up any word, like swoll:
 
4.
BFI
Brett Farve Interception
Chicago Bears receieved twenty BFI's on Sunday
by Dan R Miemczewski September 09, 2006
 
1.
BFI
Big Fucking Idiot ... in replacement of FBI - Federal Bureau of Investigation. Mockery of Police.

or

Big Friendly Idiot, like the old story of Big Friendly Giant.
Chamillionaire :

Til I talk to my lawyer, you get no reply
You've obviously been watching too much CSI
I'm not a crash dummy so don't even try
To talk your dirty trash to me, no BFI
by kooni November 01, 2007
 
2.
BFI
Bed For Indigents
Evan: "Dude, I was passing by that laneway by the Mr. Lube, and some homeless guy crawled out of the dumpster, all stank and nasty! I think he slept in there!"
Art: "Dude, of course, that's a BFI!"
by g-othermal August 28, 2008
 
3.
Before Ferrahian influence. not being in the influence of the dumb bitches that think there hot shit and create a world of drama and have no clue what the outside world is like.
the new girl is BFI . shes new.
by yeedatsdatgoodshit August 31, 2008
 
5.
BFI
Butt Fuck Idaho-To drive aimlessly, and not know where you are going, and ending up in some hick town where the people all have summer teeth!
"Dammit!! Everytime i let you drive, we always end up in BFI!
by Macabre(EJR) May 12, 2003
 
6.
BFI
Back to Front Inequality - When someone looks really hot from the back/front until they turn around and you realize they are fugly.
Check out the slammin' hottie over there...
(she turns around)
Sweet Lord! It's a BFI! Thant's the third one this afternoon!
by shazzam23 May 26, 2011
 
7.
BFI
BFI means Big Fucking Intake.
It is the action of turning your normal air intake on your car into one that has the ability to suck in more air, therefore providing more power.
Ay dood, I jus did a fully hektik BFI on mah S15, I can now do drifts maight.
by smithter December 11, 2010