Ka-Ching Ka-Chow Share definition Flag The sound your phone makes when you receive late Venmo money. Alternative definition may be the phrase used by your dad-bod boyfriend after sex. *Ka-Ching Ka-Chow* “Oh wow, it must be Grace finally paying me back!” Ka-Ching Ka-Chow by Natalie-bruhwiler-fanclub February 1, 2021 Get the Ka-Ching Ka-Chow mug.