need (to have) your head examined
idiomPart ofexamine
need (to have) your head examined — idiom
1. This phrase means that someone is acting very strangely or foolishly.
1.idiom
Definition
This phrase means that someone is acting very strangely or foolishly.
Example
Maya said she would run a marathon in high heels; she needs her head examined.
If you think that plan will work, you need to have your head examined.