get (your) just deserts

if you get your just deserts, something bad happens to you that you deserve because of something bad you have done.

Did you read about the burglar whose own house was broken into? He really got his just deserts.

• if someone knows what's good for
• if someone knows what's good for them
• If someone thinks something, they've got another thing coming!
• If someone thinks something, they've got another think coming!
• If someone thinks, they've got another thing coming!
• If someone thinks, they've got another think coming!
• If the cap fits .
• If the cap fits wear it.
• if the going gets rough
• if the going gets tough
• if the worst comes to the worst
• If thinks something, they've got another thing coming!
• If thinks something, they've got another think coming!
• If thinks, they've got another thing coming!
• If thinks, they've got another think coming!
• if worst comes to worst
• If you believe that, you'll believe anything!
• if you can help it
• If you can't beat 'em!
• If you can't beat 'em, join 'em!
• If you can't stand the heat, get out of the kitchen.
• if you catch my drift
• if you get my drift
• If you pay peanuts, you get monkeys.
• if you play cards right