to spend more money on something than you normally would. usually entails tapping into reserve funds (line of credit, mortgage etc.)
"We decided to break the bank this winter and take a 6 week vacation to Australia and the South Pacific."
by Bungalow Bill January 28, 2007

Man I took this girl out to eat, she ordered the most expensive items on the menu, straight breaking the bank!
by 22sessLWD September 19, 2016

by Nick D January 12, 2004

by henry stickmin123 December 29, 2020

by The Meechster October 01, 2010

by Labortil14 August 07, 2011

by Green ladd January 31, 2023
