Green’s Dictionary of Slang

face-fucked adj.

[fucked adj.1 (5)/fucked adj.1 (3)]

(drugs) so intoxicated by drugs that one is incapable of controlling one’s facial movements.

[UK]I. Welsh ‘A Smart Cunt’ in Acid House 250: Ronnie was face-fucked [...] lolling his tongue around his mouth and rolling his eyes like he was having some kind of stroke.