The word bundle means "a collection of things or quantity of material tied or wrapped up together." It is widely used as slang to refer to a large amount of something, especially money. For example: Trump says he and his businesses have paid a bundle of taxes.

Slang Terms Slang. a great deal of money: made a bundle in that last deal. v. to wrap in a bundle:[~ + object] She bundled the packages together. to send or push away (off, etc.) hurriedly:[~ + object (+ off/into/out)] They bundled her off to the country. The police bundled him into the car.

Bundle is also British slang for a fight, especially a street, bar or gang fight, the American equivalent of rumble, and dates from the 1950s.To drop a bundle means to lose a lot of money.