get your deserts

get (one's) just deserts

To receive that which one deserves, especially a punishment or unfavorable outcome. (Often misspelled as "just desserts," due to the pronunciation of "deserts" being the same as "desserts" in this context.) The CEO cheated his clients out of nearly $4 million, but he got his just deserts when he was stripped of everything he owned and sent to prison for life.
See also: desert, get, just
Farlex Dictionary of Idioms.

get your (just) deˈserts

get what you deserve, especially when it is something bad: The family of the victim said that the killer had got his just deserts when he was jailed for life.
Deserts is an old-fashioned word for the rewards or punishments that somebody deserves.
See also: desert, get
Farlex Partner Idioms Dictionary
See also:
  • poetic justice
  • be half the battle (won)
  • be had up (for something)
  • start out at (something or some place)
  • start out at an amount of money
  • start off at (something or some place)
  • drop into (one's) lap
  • drop/fall into somebody's lap
  • be in the right spot at the right time
  • catch a tiger by the tail