need your head examined

need (one's) head examined

To do, say, or believe something that seems completely crazy, delusional, or stupid. You need your head examined if you don't think giant corporations are in control of our legislators! You spent $400 on a T-shirt? You need your head examined.
See also: examine, head, need
Farlex Dictionary of Idioms.

need your head examined

be foolishly irresponsible.
The implication here is that the examination will reveal proof of insanity.
1992 Patrick McCabe The Butcher Boy Any man thinks this work is easy needs his head examined—you want to be tough to work here!
See also: examine, head, need
Farlex Partner Idioms Dictionary
See also:
  • need (one's) head examined
  • need, want, etc. your head examined
  • want (one's) head examined
  • need (one's) head tested
  • get (one's) head examined
  • get one's head examined
  • have (one's) head examined
  • stupehead
  • have rocks in (one's) head
  • have rocks in head
References in periodicals archive
If you describe yourself as working or middle class and you are going to vote for them I personally think you need your head examined.
"You need your head examined," said Keane, with a withering sneer.
If you believe her you need your head examined. Just as the Nationalists have so badly divided Scotland they seek to divide England, and the UK."
If you believe that a ragtag bunch of Muslims got real lucky on that day, you need your head examined.
With bills to pay and a family to care for, most people think you need your head examined to give up a secure monthly pay packet.
I own Motivator - I and 229 other members of the Royal Ascot Racing Club - and if you think that gives me any privileged information, you need your head examined.
"They then asked about Albertz mentioning a price of pounds 3.5m but you would need your head examined if you were to take so little for him.
"You would need your head examined to use their services," warned a police spokesman.
If you still believe he wasn't in the IRA you need your head examined.
My advice to anyone who thinks that is go and see a shrink because you need your head examined.
The three invaders, Jukebox Jury, Duncan and Red Cadeaux all have credentials but none as strong as Fame and Glory's and in my opinion you'd need your head examined to bet against Aiden O'Brien's five-year-old.
As she was taken to the cells Susanne Ibru, 38, told district judge Nicholas Sanders: "You need your head examined. Seriously, no doubt about that."
If that stat isn't enough to have you confidently backing Fergie's men, then you need your head examined.