can do with

could do with (something)

One would benefit from something. In this heat, I could do with a cold glass of water right now. You could do with some new shoes—those ones are looking awfully beat-up.
See also: could
Farlex Dictionary of Idioms.

can do with

Also, could do with. Might profit from, needs, as in This room can do with a good cleaning, or Harry could do with a new suit. [Colloquial; late 1700s] Also see do with.
See also: can
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • could do with
  • could do with (something)
  • could do with something
  • leave (something) on
  • leave on
  • fill (one's) shoes
  • fill shoes
  • fill someone's shoes
  • mortar
  • brick-and-mortar
References in periodicals archive
"Surely there's something I can do with it." Her favorite concoctions?