Screw loose

n.

Heard in Galway

Not fully sane or not thinking straight; possessing a loose screw.

Yer mans got a screw loose.

Posh English

That gentleman's wits have gone somewhat astray.

Related terms

• LooseDescribing someone who is sexually promiscuous or of loose morals.
• Long loose an ready for useA jocular greeting.
• Loose your ringTo lose one's virginity.
• Not the full shillingNot fully sane or not thinking straight; a few sandwiches short of a picnic.
• Whore's meltPronounced 'hoors melt', an insult for someone you have a particular dislike for. Also…
• Straight roadThe Carrigrohane Straight Road from The County Hall towards Ballincollig.