be in for a shock

be in for a shock

To be guaranteed to receive or experience an unexpectedly jarring outcome, especially a negative one. If you think being a parent is easy, then you're in for a shock! Mary's been so sheltered all her life that she'll be in for a shock when she has to start paying her own bills.
See also: shock
Farlex Dictionary of Idioms.
See also:
  • shock
  • be in for a treat
  • jarring experience
  • come out of the woodwork
  • come/crawl out of the woodwork
  • be in the chips
  • dawn (up)on (one)
  • dawn on
  • all hell breaks loose
  • all hell broke loose