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