couldn't organize a piss-up in a brewery

couldn't organize a piss-up in a brewery

rude slang Is unable to arrange things successfully. (A "piss-up" is a social gathering at which people drink an excessive amount of alcohol—something that would be easy to do in a brewery.) Primarily heard in UK, Australia. No wonder Marie's event was a disaster—she couldn't organize a piss-up in a brewery!
See also: organize
Farlex Dictionary of Idioms.

couldn't organize a piss-up in a brewery

BRITISH, INFORMAL, VERY RUDE
If you say that someone couldn't organize a piss-up in a brewery, you mean that they are extremely bad at organizing things. She was fired after saying her boss couldn't organize a piss-up in a brewery. Note: A piss-up is a slang word for an occasion at which a lot of alcohol is drunk.
See also: organize
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • couldn't raffle a chook in a pub
  • organise
  • organize
  • pub
  • raffle
  • chook
  • couldn't organise a bun fight in a bakery
  • couldn't organise a chook raffle at a poultry farm
  • couldn't organise a chook raffle in a (country) pub