Answer:
What is long and filled with seamen?
George walked for thirty minutes in the pouring rain without getting a single hair on his head wet. He didn't have a hat or an umbrella and his coat had no hood. How did he do that?
What did addition say to subtraction when they discovered each other on Facebook?
What did the teenager say to another teenager when they got arrested for stealing diapers?
Could be described as the cranium's version of snow.
What never gets any wetter no matter how hard it rains?