nothing upstairs

nothing upstairs

Not very much in the way of intelligence. She seems nice enough, but I get the sense that there's nothing upstairs. Jake's boyfriend is incredibly attractive, but he has nothing upstairs from what I can tell.
See also: nothing, upstairs
Farlex Dictionary of Idioms.

nothing upstairs

Fig. no brains; stupid. Tom is sort of stupid. You know—nothing upstairs. I know what's wrong with you. Nothing upstairs.
See also: nothing, upstairs
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

nothing upstairs

phr. no brains; stupid. Tom is sort of stupid acting. You know—nothing upstairs. I know what’s wrong with you. Nothing upstairs.
See also: nothing, upstairs
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • nothing going on upstairs
  • not anything upstairs
  • not much upstairs
  • not much going on upstairs
  • not anything going on upstairs
  • go upstairs
  • (as) fast as greased lightning
  • faster than greased lightning
  • dance to somebody's tune
  • dance to someone's tune
References in periodicals archive
BE REALISTIC Many older homes will have a bathroom on the ground floor - and nothing upstairs - and a small kitchen you'll probably want to extend.
He has nothing upstairs - he'd just run through a brick wall.
I had said I did not take any notice because we called Hall "Bungalow" as he had "nothing upstairs".
The Peter Swales would come with a thatched roof, while the Joey Barton, left, will be a bungalow because there's nothing upstairs.
Someone, red in the face, even tried to convince me that Rooney would now lose all his talents because, among other things, he had nothing upstairs.
The now-departed Sergeant Boyden (Tony O'Callaghan) summed up the character when he described her as "a bit of a bungalow - nothing upstairs".
Then there's "Bungalow" Bill Wiggins - he had nothing upstairs apparently - who was 13 years younger, Ryan O'Neal (eight) and George Hamilton (six).
Scully's best mate is Mooey (Ray Kingsley), a relentlessly cheerful schoolfriend whose nickname is Bungalow Head because people reckon "he's got nothing upstairs".
If there's nothing upstairs, it won't do anything for me downstairs."