Green’s Dictionary of Slang

facial n.1

[? face v. (2)]

(US campus) an insult, a rebuff.

[US]Eble Campus Sl. Apr. 2: Facial – exclamation: That’s unfair. That was unsuccessful.
[US]Eble Sl. and Sociability 60: A facial is ‘an insult or rebuff’, as in ‘Ben got turned down by that girl again —what a facial!’.