out of (one's) box

out of (one's) box

slang Very intoxicated from drugs or alcohol. Primarily heard in UK. You were really out of your box last night! How do you feel this morning? A: "Do you remember anything you said to me at the party?" "B: "Not at all—I was out of my box last night."
See also: box, of, out
Farlex Dictionary of Idioms.

out of your box

BRITISH, INFORMAL
If someone is out of their box, they are drunk or affected by drugs, or are very foolish. The guy must have been seriously out of his box! Note: In this expression, `box' refers to someone's head. Compare with out of your head.
See also: box, of, out
Collins COBUILD Idioms Dictionary, 3rd ed.

out of your box

intoxicated with alcohol or drugs. British informal
See also: box, of, out
Farlex Partner Idioms Dictionary
See also:
  • be out of (one's) brain
  • out of (one's) brain
  • faded
  • annihilated
  • cop a head
  • blitzed (out)
  • blocked
  • blowed (away)
  • be out of (one's) skull
  • skull