bfgfilf 

best-friend's-girl-friend-I'd-like-to-fuck.
used as a term to describe an acquntial being with a mate who, by one's judgement seems fuckable.

Dude, my new roommate, Tony has a total bfgfilf!

bfgfilf by ipikeddisnamcuznobodyelsehasit January 28, 2009

BFFILF 

Best Friend Forever I'd Like to Fuck.

I'm so into George... but I'm afraid to date him because we might eventually break up and ruin our friendship. He's my BFFILF.

BFFILF by Jarti December 9, 2008