At the beginning of an episode, Chandler asks if there will be a place called sample, and then when you drive into town, you will see a sign: You are in sample. It reads like urine, urine.

Original sentence:

Do you think there is a small town called Sample in Missouri? Well, when you drove into town, there was a sign that said, "You are a sample." He said it looked like a urine sample. )

Then Rachel's famous sentence: How can I grow up if you don't let me blow?

This sentence is evil.

God, I remember these dirty jokes.