I said to this girl, "Did you know the Argentine blue-bill duck has, for its size, the largest penis of any vertebrate, over half its body length?"
"Get out of here," she said.
"It's true," I replied. "And did you know that the blue whale ejaculates around five gallons of sperm?"
"No, get out of here," she said again. "This is the ladies toilets, you feckin' pervert."