not have much between the ears

not have much between the ears

To be rather stupid, dull, or dimwitted; to not have much common sense or basic intelligence. She seems nice enough, but I get the sense that she might not have much between the ears. Jake always goes out with really attractive guys that don't have much between the ears.
See also: between, ear, have, much, not
Farlex Dictionary of Idioms.
See also:
  • be not much between the ears
  • not know enough to come in out of the rain
  • horse sense
  • ain't got a grain of sense
  • ain't got a lick of sense
  • ain't got the sense God gave geese
  • NTTAWWT
  • common
  • feel duty bound to (do something)
  • feel honor-bound to (do something)