It's not a coin. It is a medal.
4 seconds sound clip from the Wreck-It Ralph movie soundboard.
You can hear this line at 00:42:46 in the Blu-ray version of the movie.
Quote context
[...]
- Scram, you rotten little cavities! Before I throw you in the mud!
- You're welcome, you rotten little thief.
- It's not a coin. It is a medal.
- Coin, medal, whatever. Just go back to your own dumb game and win another one.
- I can't. I didn't win it in my game. I won it in Hero's Duty.
- I bet you really got to watch where you step in a game called Hero's Doodie!
[...]