Stay tuned
This term comes from using a radio when you had to turn a dial to get to a different station or fix the frequency.
Hanging up the phone
Ah, the good old days when you could physically hang up the phone to end a conversation. Now, we generally just press a button and it is not quite as satisfying when you have an argument.
Cha-ching!
People use this phrase to say they are coming into money. The phrase comes from the noise of old cash registers.
Can you think of any other examples?