can't (do something) for nuts

can't (do something) for nuts

slang Is totally unable to do something. Primarily heard in UK, Australia. Oh, you'll definitely beat Sarah for that role in the musical—she's can't sing for nuts.
See also: nuts
Farlex Dictionary of Idioms.
See also:
  • can't (do something) for toffee
  • can't do something for toffee
  • not be able to do something for toffee
  • toffee
  • for nuts
  • can't carry a tune
  • sing up a storm
  • sing along
  • sing together
  • sing down