From Longman Dictionary of Contemporary Englishmax out phrasal verb American English informal1 max something ↔ out to use something such as money or supplies so that there is none left I maxed out my Visa.2 TOO/TOO MUCHto do too much, eat too much etc on ‘Want a beer?’ ‘Nah, I maxed out on booze this weekend.’ → max→ See Verb table
