not up to much

not up to much

Disappointing; of low-quality. Primarily heard in UK, Australia. I gave you a failing grade because your paper wasn't up to much, and I know you can do better.
See also: much, not, up
Farlex Dictionary of Idioms.

not ˈup to much

(British English) not very good: His French isn’t up to much but his German is excellent. The weather wasn’t up to much, unfortunately.
See also: much, not, up
Farlex Partner Idioms Dictionary
See also:
  • be not up to much
  • sneaky
  • sneaky Pete
  • ink slinger
  • ink-slinger
  • torpedo juice
  • pink slime
  • slime
  • up to grade
  • a miss is as good as a mile