max out

1. (informal, intransitive) To reach the limit of one's capabilities.
2. (informal, intransitive) To reach a maximum or a point at which no more growth or improvement is possible.
3. (informal, transitive) To use (something) to the limit of its capabilities.
4. (US, slang) To relax.
5. (US, slang) To serve an entire sentence with no early parole, time off for good behavior, etc.

Synonyms

maximize