Acronym: Butt Fuck Her
or
Buttfuckably Hot
-noun.
Implies that a
woman is not only very
attractive but that she overwhelms passersby with the desire to have anal intercourse with her, or at least hit it
doggy style.
BFH is generally the near-involuntary verbal response to a fantastic booty.
Jack: Oh man, did you see that
skirt Janice has on
today?
Roger: Oof. So hot. BFH.
Jack: BFH.
-----
or
Holy crap, she is so BFH.