be dead from the neck up

be dead from the neck up

To be stupid. Did I just say that two plus two equals five? Wow, I'm dead from the neck up today.
See also: dead, neck, up
Farlex Dictionary of Idioms.
See also:
  • dead from the neck up
  • dead president
  • president
  • dead broke
  • dead drunk
  • dead cinch
  • dead easy
  • dead of night
  • the dead of night
  • dead tired