According to DumbLaws.com, various parts of New York have the following "dumb laws" on the books:
"A person may not walk around on Sundays with an ice cream cone in his/her pocket.
While riding in an elevator, one must talk to no one, and fold his hands while looking toward the door.
Slippers are not to be worn after 10:00 PM.
During a concert, it is illegal to eat peanuts and walk backwards on the sidewalks.
Eating while swimming in the ocean is prohibited.
People may not slurp their soup."