a waste of space

waste of space

Someone or something that is blatantly unhelpful, worthless, or useless. Boy, what a waste of space— he's just standing around while the rest of us all move furniture. The old monitor doesn't work anymore, so at this point it's just a waste of space. Let's trash it.
See also: of, space, waste
Farlex Dictionary of Idioms.

a waste of space

BRITISH, INFORMAL
If you describe someone as a waste of space, you mean that they are completely useless. The woman in charge of administration is a complete waste of space.
See also: of, space, waste
Collins COBUILD Idioms Dictionary, 3rd ed.

a waste of ˈspace

(spoken) a person who is useless or no good at anything: What did you have to ask him along for? He’s a complete waste of space!
See also: of, space, waste
Farlex Partner Idioms Dictionary
See also:
  • waste of space
  • be a waste of space
  • a fat lot of use
  • you're wasting my time
  • be not worth a plug nickel
  • thanks for nothing
  • not worth a continental
  • caucasian waste
  • faff around
  • fanny around