max out

present singular third person maxes out · participle present maxing out · participle past maxed out · past maxed out

1. informalintransitiveTo reach the limit of one's capabilities.

   In the bench press, he has maxed out at 110 kg.

   1. informalintransitiveTo reach a maximum or a point at which no more growth or improvement is possible.

      This machine maxes out at a 110 kW output.

      1 more example

      Nadja had not thought of the word elegant since her mother made her model for no real occasion one sequined monstrosity after another at Denise's Bridal Affair, pretending her daughter was a pageanteer and hadn't maxed out at a B-cup.

      2013, Xhenet Aliu, Domesticated Wild Things, and Other Stories, page 69

      Synonyms: top out

   2. informalintransitivetransitiveTo use (something) to the limit of its capabilities.

      to max out one's credit card(s)

      1 more example

      I've spent all afternoon shopping and maxed out my credit card.

   3. USinformalintransitiveslangTo reach the end of a complete sentence with no early parole, time off for good behavior, etc.
2. USslangTo relax.