Camilla had come to see Dr. Freud. When the shrink began using sexual terms, she interrupted,
"Wait, what is a phallic symbol?"
"A phallic symbol," explained Freud, "represents the phallus."
"What's a phallus?" asked Camilla.
"Well," said the analyst, "the best way to explain it is to show you." He stood up, unzipped his fly and took out his prick. "This is a phallus."
"Oh," said Camilla. "It's just like a cock, only smaller."