(as) funny as a fart in a spacesuit

(as) funny as a fart in a spacesuit

slang Not at all amusing. Based on the notion that one wearing a spacesuit would not be able to escape the smell of their own flatulence. If you ask me, that new show was about as funny as a fart in a spacesuit. I don't think I laughed once!
See also: fart, funny
Farlex Dictionary of Idioms.
See also:
  • not for a second
  • not for a minute
  • not for a moment
  • aint
  • ain't
  • not for a instant
  • not for a/one minute/moment/second/instant
  • by no means
  • not by any means
  • (I) hope not