off (one's) head

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off (one's) head

1. Crazy, insane, or eccentric. Often used humorously or sarcastically. I think you're off your head for changing careers this late in life, but, hey, follow your dreams. He's off his head if he thinks he can get that engine fixed by this weekend. My auntie likes to let people think she's off her head, but she's actually incredibly clever and witty.
2. Severely intoxicated by alcohol or drugs. No wonder he's failing—he's off his head every night! We all popped the pills and were off our heads by the time the concert started.
See also: head, off

off one's head

Also, off one's nut or rocker or trolley or chump . Crazy, out of one's mind, as in You're off your head if you think I'll pay your debts, or I think Jerry's gone off his nut over that car, or When she said we had to sleep in the barn we thought she was off her rocker, or The old man's been off his trolley for at least a year. The expression using head is colloquial and dates from the mid-1800s, nut has been slang for "head" since the mid-1800s; rocker, dating from the late 1800s, may allude to an elderly person falling from a rocking chair; trolley, also dating from the late 1800s, may be explained by George Ade's use of it in Artie (1896): "Any one that's got his head full of the girl proposition's liable to go off his trolley at the first curve." The last, chump, is also slang for "head" and was first recorded in 1859.
See also: head, off

off your head

BRITISH, INFORMAL or

out of your head

INFORMAL
1. If someone is off their head or out of their head, they are crazy. You must be off your head to live in this area. If he didn't kill anybody it was only by luck because he was out of his head and screaming like a maniac.
2. If someone is off their head or out of their head, they have taken so many drugs or drunk so much alcohol that they do not know what they are doing. Basically, this song sounds great when you're off your head on Ecstasy. These days I get out of my head on one glass of wine.
See also: head, off

off (or out of) your head

1 mad or crazy. 2 extremely drunk or severely under the influence of illegal drugs. informal
See also: head, off
References in periodicals archive ?
Tenders Are Invited For Cut Off Head And Differencial Mechanism
Great A Brit off head Those trying to politicise the success of Great talkative line in here for a Scots in the Olympics as an advert for should be careful what independence three line quot thank you very If it wasn't for GB funding much in here t ar Great talkative line they wish for.
Mr Willis added: "In its obsession with testing and targets the Government has taken its eye off head teacher recruitment and failed thousands of pupils.
He hid the three buggies in a shed and tipped off head greenkeeper Matt Crofton about his secret.
feet of head (TDH), shut off head shall be a minimum of 92 feet.
The National Asso-ciation off Head Teachers (NAHT) also wants legislation to curb the growing use of litigation against schools.
A Thameslink source said: "Someone tipped off head office he'd been smoking drugs in a pub in Luton.
This week he even managed to piss off head matron Margaret Thatcher.
The statement off Heads of Governments of the CIS member-states on consolidating efforts of the global community to efficiently counter international cartels is an official document of the 72nd session of the UN General Assembly with the agenda on Macroeconomic policy: international trade and development.
Zakharova also critically commented on Power's statement the US cannot support the ISIL, since its militants cut off heads of the US citizens.
The new series - the last before Bake Off heads to Channel 4 without presenters Sue Perkins and Mel Giedroyc - kicked off with an average of 10.
He should've said IS must be militarily defeated and its remnants would need to stop chopping off heads and crucifying people.