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1. ka-ching
An imitation of the sound made by a cash register, used when someone's action will result in mo' money; see also cha-ching
I'm gonna cash this check: ka-ching!
by dan Sep 28, 2004 share this add a video
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2. ka-ching
The sound a cash register makes. NY Times, 050904, in a review of Bob Woodward's book on the White House. "Plan of Attack".
"...to say nothing of the ka-ching of cash registers."
3. ka-ching
The sound of a cash register that was revolutionized by Seth Green in his younger days.
Seth Green was the ka-ching guy.