Heard in the shed.
Woody "Hay Peggie could you bring us a couple of beers please."
Mate "I thought your wife was called Mary?"
Woody "yes."
Mate "So why Peggie."
Woody "It's short for Pegasus.
Mate "Why."
Woody "Well according to ancient mythology, Pegasus was an eternal steed which in modern language is a ever lasting nag.
Regards