d.d.f.m.g., n. — Green’s Dictionary of Slang

d.d.f.m.g. n.

[drop dead fuck me gorgeous, i.e. drop-dead adv. + fuck-me adj.]

(US campus) an exceptionally attractive member of the opposite sex.

1991		Eble Campus Sl. Mar.
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: [...] DDFMG (drop dead fuck me gorgeous) ‘very attractive member of the opposite sex’.