max out phrasal verb American English informal (
see also max)
1. max something ↔ out to use something such as money or supplies so that there is none left:
I maxed out my Visa.2. to do too much, eat too much etc
max out on ‘Want a beer?’ ‘Nah, I maxed out on booze this weekend.’ [TahlilGaran] Dictionary of Contemporary English ▲