Definition, Meaning & Synonyms

have-a-screw-loose

idiom
/hæv ə skruː luːs/
Definition
To behave strangely or irrationally; to be slightly crazy or eccentric.
Examples
  • After his recent outbursts, I think he might have a screw loose.
  • She’s always been a bit quirky; I guess you could say she has a screw loose!
Meaning
The phrase implies that someone is not thinking clearly or is acting in a way that is not considered normal.
Synonyms
  • crazy
  • eccentric
  • mad
  • bonkers
  • nuts