Mr. Krabs: Hey, we don't accept bubble money here!
[Krabs gets karate-chopped by Sandy]
Sandy: Bubble money will do fine
Squidward: No, it won't
Sandy: Bubble money will do fine
Squidward: No it won't! What, do you think you're some kind of karate master waving your hand like that? I'm a clarinet player. Mind tricks won't work on me. Only proper cash.