get your deserts

get (one's) just deserts

To receive that which one deserves, especially a punishment of unfavorable outcome. (Note: the phrase is 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

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