- off one's face
- adjcompletely drunk or under the influence of drugs. A variant of 'off one's head'. The usage arose inAustralian speech, but by the mid-1990s was in common use in Britain among younger speakers.The variant 'off one's case' is also used by prison inmates in the UK."'I went high at university!' he said rea-sonably. 'Used to get really on my face in fact..."'► '"Off! Off! Dad, it's off your face", Mouche screeched from the bed.' (Girls' Night Out, Kathy Lette, 1989) inside, we were buzzing nicely ... I was off my face: 1995 had come early.' (Independent, 24 January 1995)
Contemporary slang . 2014.