In Gotham City, the crime of loitering requires the loiterer to remain in the same spot for over two minutes.
9 seconds sound clip from Batman (1966) - The Joker Goes to School (S1E15) TV Series.
You can hear this line at 00:12:44 in the Blu-ray version of the movie.
Quote context
[...]
- Has anyone found fingerprints or other evidence?
- You're too smart for that, Joker.
- Hey, Batman, nab him anyway. Loitering on school property.
- Right. $5000 fine and five years imprisonment.
- Ha ha! No. Wrong, kiddies. Look up the statute.
- You.... You jailhouse lawyer!
- A tricky trickster! He's outwittin' us.
- Oh, dear me! The court jester must run. Jest in time.
- Well, goodbye, kiddies. And remember I was here, eh!
- Yeah, why does he want us to remember he was here?
[...]