have had chips

have had your chips 

1. (British informal) if you have had your chips, something bad is going to happen to you, usually a punishment for something bad you have done When the police knocked on his door early in the morning, he knew he'd had his chips.

2. (British informal) to miss an opportunity to achieve something you want John's had his chips. I gave him the chance of a promotion and he threw it away.

See also: chip, had, have