could do with something

could do with (something)

One would benefit from something (which is usually stated after "with"). 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

could ˈdo with something

(spoken) want or need something: I could really do with a coffee. ♢ Her hair could have done with a wash. ♢ You look as if you could do with a good night’s sleep.See also: could, something