ka

ka me, ka thee

proverb Help me, and I'll help you. The phrase is likely Scottish in origin. If you drive me to work today, I'll buy you pizza this weekend. Ka me, ka thee, right?
See also: ka, thee

ka-ching

An imitation of the sound that an antique cash register would make, often used when discussing financial matters or transactions, especially some form of profit. We've posted some excellent sales numbers this holiday season—ka-ching! A: "Dude, we could sell this stuff for, like, three times as much on the open market." B: "Ka-ching!"
Farlex Dictionary of Idioms.

Ching!

and Ka-ching!
exclam. the sound of a cash register, said to indicate money or imply a financial motive or success. Just got another big order. Ka-ching! Tell, me what’s important, dude. Ching! Right?

Ka-ching!

verb
See Ching!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • ka me, ka thee
  • claw me, claw thee
  • say the word
  • a drowning man will clutch at a straw
  • clutch
  • drown
  • go hat in hand to (someone)
  • go hat in hand to someone
  • all hands to the pumps
  • help (someone) on with (something)