throw away the key

1.
USUKglobalinformalcolloquial
- To lock someone up or confine them in a way that implies they will not be released for a very long time or ever.
- To impose a severe, often permanent, restriction on someone's freedom as punishment.
2.
USUKglobalinformalfigurative
- To remove or dispose of something permanently so that it cannot be recovered or used again.

Examples:

No examples available.