off one's box

The phrase "off one's box" is informal British slang used to describe extreme states of intoxication or irrational behavior.

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Definition

C1Casual Conversation

(informal, slang)Extremely intoxicated by drugs or alcohol.

Example

After the party, he was completely off his box.

C1Casual Conversation

(informal, slang)Acting in a very irrational or crazy manner.

Example

She must be off her box to think that plan will work.

Similar

Terms that have similar or relatively close meanings to "off one's box":

out of one's box off one's head box off off one's game off one's feed out on one's feet knock out of the box box in box up off one's meds in a box out of one's mind out of the box on one's feet out of it on one's legs out of sorts bang off off the boil fall off one's perch flip one's lid box kick on one's head out of whack off keel off the rails yellow box off the track blue box off board box standard out of line off the chain come off it loose box lose one's head jump box off base in one's head gob off go off the boil throw off on the ball