Put something in, get something out. It doesn't have to be a coin.
Example:
Me: *inserts rusty pistol*
TPBM: *you get a BB gun*
*inserts coin*
TPBPBM: *you get a chocolate coin*
And so on. Let's go.
-------------------------------------
*inserts counterfeit 1000 Philippine Peso bill*
Example:
Me: *inserts rusty pistol*
TPBM: *you get a BB gun*
*inserts coin*
TPBPBM: *you get a chocolate coin*
And so on. Let's go.
-------------------------------------
*inserts counterfeit 1000 Philippine Peso bill*