get (one's) just deserts(redirected from get their just deserts)
get (one's) just deserts
To receive that which one deserves, especially a punishment of unfavorable outcome. (Note: the phrase is often mispelled 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.