be out of head

(redirected from be off head)

be out of your head

  (British, American & Australian informal) also be off your head (British & Australian informal)
1. to be crazy He took the car out in this weather - he must be off his head!
2. to not be in control of your behaviour because of the effects of alcohol or drugs She's completely off her head, she is - what's she been drinking?
See also: head, of, out