What are you smoking?

What are you smoking?

slang What are you thinking? Used imply that someone's opinion, decision, behavior, etc., is wildly absurd, nonsensical, or inappropriate. The phrase alludes to drug use. You picked bright, neon-red wallpaper for our bedroom? What are you smoking? A: "If you think about it, it makes total sense that the mainstream media is controlled by a cabal of wealthy Freemasons." B: "Dude, what are you smoking?" A: "I just bought us tickets to Tokyo! We leave next week!" B: "What are you smoking? I can't just drop everything and fly to Tokyo!"
See also: what
Farlex Dictionary of Idioms.
See also:
  • bad joke
  • you can't spell (something) without (something else)
  • towel
  • crying towel
  • moonshine
  • nerts to this/that
  • nuts to this/that
  • gottle of geer
  • big-boy pants
  • big-girl pants