Couldn't organise a piss-up in a brewery

insult

Completely disorganised and incompetent.

Person 1"Council still hasn't fixed the bins."

Person 2"That lot couldn't organise a piss-up in a brewery."

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Couldn't organise a root in a brothel with a fistful of fiftiescruder version

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While you're here

Couldn't run a chook raffle in a country pub
Completely incompetent.
Face like a chewed Mintie
Crumpled and sour-looking.
He'd root a snake's mouth if someone held it open
He will have sex with anyone or anything.
I hope your ears turn into arseholes and shit on your shoulders
A curse on someone you are very angry with.
Not enough brains to give himself a headache
Very stupid.
Useful as tits on a bull
Completely useless.

Random one for ya