skin and bone

skin and bone

Extremely thin or emaciated. I know the merger has been stressful, but have you been eating? Because you're just skin and bone these days.
See also: and, bone, skin
Farlex Dictionary of Idioms.

skin and bone

or

skin and bones

COMMON If you describe someone as skin and bone or skin and bones, you mean that they are very thin, usually because they are ill. A man like me can't live on beans — I'll soon be skin and bone. By the end of her life she was nothing but skin and bones.
See also: and, bone, skin
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • (all) skin and bones
  • nothing but skin and bones and skin and bones
  • skin and bones
  • nothing but skin and bones
  • be (all) skin and bone(s)
  • be skin and bone
  • keep a cool head
  • keep a level head
  • skin and bones, (nothing but)