J.D.: [v.o.] I guess the only thing to do when you're in the middle of it is to hope that nothing makes it worse.
Janitor: Cleaning time! Don't worry, I'll go fast. [sprays]
J.D.: [groans]
Janitor: Whoop, that one got away.
J.D.: It burns!
Janitor: Ammonia burns? Hm. Write that down.