Former Defense Secretary Donald Rumsfeld has maxed out to Cotton, as has former President George W. Bush.
Gary and Tom may live rock star lives, but their credit cards are maxed out.
maxed out on Everest Mark Jenkins, National Geographic How to fix the mess at the top of the world.
exhausted; at the limit
Having reached a specified upper limit: People have less money and are maxed out on their credit cards (1990s+)
At the most; at the highest limit: I do three cars a week, max (1970s+)
To win; do the very best (1950s+ College students)
[fr maximum ''the highest possible grade,'' found by 1851]