Heard on Chicago Center frequency:
"Chicago, Piper 12345 en route to St. Louis. Request flight following."
"Piper 12345, where in the world are you?"
"I'm down below the water [meaning south of Lake Michigan], heading for St. Louis."
Center (deadpan) :
"Piper 123, it must be pretty wet down below the water. Want to try again?"
"I'm ten miles south of Michigan City."
"That's more like it."