Have a screw loose

usgb
verb

To act in a strange or eccentric way.

He always wears his socks on his hands, I think he might have a screw loose.
Visual representation of "have a screw loose" - To act in a strange or eccentric way

Often appears as...

  • might have a screw loose
  • think he has a screw loose

Usage tips

Informal

Colloquial,Idiomatic

Definition 1 of 2
Visual representation of "have a screw loose"
LampPro Tip 1/3

Informal Speech

Use 'have a screw loose' in casual conversations, but not in formal or serious situations.

Illustration for Informal Speech
My neighbor talks to plants; I think he may have a screw loose.
LampPro Tip 2/3

Not Offensive

It is a humorous phrase and not usually meant to offend, but be careful as some may find it insensitive.

Illustration for Not Offensive
She believes in aliens and ghosts; some say she has a screw loose.
LampPro Tip 3/3

Not Literal

The phrase is a metaphor and does not refer to actual screws or repair work.

Illustration for Not Literal
He juggles fruit at the bus stop like he's got a screw loose.
Visual representation of the word "Have a screw loose"

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