dead from the neck up

dead from the neck up

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.

dead from the neck up

 
1. Fig. stupid. (With a "dead" head.) She acts like she is dead from the neck up.
2. Fig. no longer open to new ideas. Everyone on the board of directors is dead from the neck up.
See also: dead, neck, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

dead from the neck up

Extremely stupid, as in That news commentator sounds dead from the neck up. This expression alludes to being "brain-dead." [Early 1900s]
See also: dead, neck, up
The American Heritage® Dictionary of Idioms by Christine Ammer.

dead from the neck up

BRITISH, INFORMAL
If you say that someone is dead from the neck up, you are saying very rudely that they are stupid. Yes, he's good-looking, but he's dead from the neck up.
See also: dead, neck, up
Collins COBUILD Idioms Dictionary, 3rd ed.

dead from the neck (or chin) up

stupid. informal
1990 Film Comment Steward subscribes to the notion that all women are ‘nitwits and lunkheads, dead from the neck up’.
See also: dead, neck, up
Farlex Partner Idioms Dictionary

dead from the neck up

1. mod. stupid. (With a dead head.) She acts like she is dead from the neck up.
2. mod. no longer open to new ideas. Everyone on the board of directors is dead from the neck up.
See also: dead, neck, up
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions

dead from the neck up

Extremely stupid. This slangy metaphor was first recorded in 1911. John Dos Passos used it in Forty-second Parallel (1930): “Most of the inhabitants are dead from the neck up.”
See also: dead, neck, up
The Dictionary of Clichés by Christine Ammer
See also:
  • be 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