thickheaded

thickheaded

1. Stupid; dim-witted; ignorant. We would have been in Italy by now if my thickheaded brother hadn't lost his passport. She started talking about a bunch of technical jargon that I'm way too thickheaded to understand.
2. Exceptionally stubborn or inflexible. Don't you realize that making these changes could save the entire business? It infuriates me how thickheaded you can be sometimes!
Farlex Dictionary of Idioms.

thickheaded

mod. stupid; with more bone than brain in the head. He’s so thickheaded he can play football without a helmet.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • have a thick head
  • have a thick skull
  • (one's) way out of a paper bag
  • out of a paper bag
  • (one's) way out of a wet paper bag
  • couldn't find (one's) way out of a paper bag
  • airbrain
  • airhead
  • not the sharpest tool in the shed
  • not the sharpest pencil in the cup
References in periodicals archive
Also lost is the fun Rowling seems to be having with the name "Smeltings," which conjures the process of smelting, by which iron is extracted from ore: a reasonable analogy for the education of the thickheaded Dudley.
his thickheaded iron-hand otherwise, but realizes he has hit a wall in
Yet this unapologetically formulaic comedy, about a proudly thickheaded security guard who gets romantically entangled with a half-hearted Islamic terrorist, is uninterested in challenging auds and never truly confronts stereotypes.
He is a thickheaded, overly physical type resonant of the Christians of Shapiro's pogrom stories, and is thus a new type of Jew in stark contrast with the fallen Jewish intellectuals of Europe.
impenetrably thickheaded REPRODUCIBLE IN ASCII] 1978: impenetrably thickheaded chusheng rusi [TEXT NOT 2009: F.E.
To investigate his hunch, Horner and his team studied bone fragments from the three thickheaded skulls.
Whoever had painted the mural was either thickheaded or perverse: dominating the scene was an image of Captain Hook.
This means (a) I am thickheaded and (b) I know how to work hard.
Things get complex when one of Linda's dates turns out to be equally thickheaded Harry (Clooney), who in turn also happens to be having an affair with Katie (Tilda Swinton at her ice-maiden best), the wife of the guy who wrote the memoir.
He [Socrates] tell Hippias, who has shown himself to be an especially thickheaded partner [not devoid of intelligence], how "blissfully fortunate" he is in comparison with poor Socrates, who at home is awaited by a very obnoxious fellow who always cross-examines him.
In a 1947 free speech case, Justice Jackson wrote: "I do not know whether it is the view of the Court that a judge must be thickskinned or just thickheaded, but nothing in my experience or observation confirms the idea that he is insensitive to publicity.