Definition of cha-ching in English English dictionary
Score!; Wow!; said to celebrate something that has made or will make lots of money
To make a cash register or slot machine noise; to make the noise of coins falling
cha-ching
Etymology
() Imitative of the sound of a cash register when an amount is rung up. Popularized in 1992 by the movie Wayne's World and by a 1992 advertisement featuring Seth Green .