not much going on upstairs

not much going on upstairs

Not very much in the way of intelligence. She seems nice enough, but I get the sense that there's not much going on upstairs. Jake's boyfriend is incredibly attractive, but he doesn't have much going on upstairs from what I can tell.
See also: going, much, not, on, upstairs
Farlex Dictionary of Idioms.
See also:
  • not for a second
  • not for a minute
  • not for a moment
  • aint
  • ain't
  • not for a/one minute/moment/second/instant
  • not for a instant
  • not all there
  • not by any means
  • by no means