cha-ching

Etymology
, imitative of the sound of a mechanical cash register when an amount is rung up. Popularized by the 1992 movie Wayne's World and by a 1992 advertisement featuring Seth Green. The spoken term is also, in the US, a trademarked sound of Checkers Drive-In Restaurants, Inc..

Interjection

 * 1) Score!; wow!; said to celebrate something that has made or will make lots of money.

Noun

 * 1) Money, cash.
 * 2) * 2005, Lee Mylne, advertisement, Frommer′s Portable Australia′s Great Barrier Reef, page 207,
 * They find the best offerings on Travelocity. For very little cha-ching.

Verb

 * 1) To make a cash register or slot machine noise.
 * 2) To make the noise of coins falling.
 * 1) To make the noise of coins falling.