Green’s Dictionary of Slang

(US campus) somewhere very far way.

1989		P. Munro Sl. U. 35: B.F.E./B.F.A. the boondocks, a very far away place [...] [Butt Fucking Africa].
1996		Eble Sl. and Sociability 36: Two kinds of shortening reduce words to letters. The dominant type in college slang is initialism, which names the individual letters: BFE (bum fucking Egypt) ‘in the middle of nowhere, far away’.
1997		K. Kainulainen ‘University Euphemisms in Calif. Today’ 🌐 I would certainly have difficulty with ‘No one wants to take Troy home because he lives out in B.F.E.’ ‘B.F.E.’ stands naturally for ‘Butt-Fucking Egypt’.
1997–2000		Da Bomb 🌐 2: B.F.E.: An expression used to emphasize the fact that something or someone is very far away from you. The expression means Bum Fucked Egypt.
1997–2001		Online Sl. Dict. 🌐 butt-fucking Egypt adj 1. inconveniently far away. Often abbreviated BFE, sometimes called ‘bum-fuck Egypt.’ (‘Man, you parked way out in butt-fucking Egypt!’).
1997–2002		Hope College ‘Dict. of New Terms’ 🌐 B.F.E. [B(eyond) F(ar) E(gypt)] n. Referring to somewhere that is far away. Commonly found in the vocabulary of young adults from the suburban Midwest.
2003		Eble Campus Sl. Nov. 1: B.F.E. – a very rural place. From Bum Fuck Egypt.