1 definition by HotHaimSammich

An expression dating back to the 1920's, it is a fund of physical currency generally in the form of coins, set aside for when one is incredibly angry. Most commonly it is used in the assault of another individual.
Jerry was so upset, he tucked that roll of quarters in his fist and just beat the tar outta that prostitute. Someone might wanna hide his mad money..."
by HotHaimSammich June 27, 2022
Get the Mad Money mug.