throw somebody a curveball

throw (one) a curveball

To introduce a problem piece of information that shocks, bewilders, or confounds one or makes it more difficult for one to succeed. An allusion to baseball, in which a curveball is a pitch that arcs toward the batter in order to be more difficult to hit. Primarily heard in US. The end of that trick always throws the audience a curveball. I love watching their faces as they desperately try to figure it out. It really threw Stu a curveball when Olivia announced she was leaving the company.
See also: curveball, throw
Farlex Dictionary of Idioms.

throw somebody a ˈcurveball

(American English) surprise somebody with a problem, situation, question, etc. that they do not expect and which is difficult to deal with: Just when you think you have it all under control, life throws you a curve ball.
In baseball, a curveball is a ball that is difficult to hit because it does not move in a straight line.
See also: curveball, somebody, throw
Farlex Partner Idioms Dictionary
See also:
  • drive (one) out of office
  • force (one) out of office
  • force out of office
  • give (one) (one's) head
  • give head
  • give somebody their head
  • give someone their head
  • cooking for one
  • 1FTR
  • all's one to (one)