The site offers an alternative theory. “Scots named their coin banks 'pirly pigs', probably from the older Scots [word] 'pyrl', to thrust or poke, suggesting the. a piggy bank to save his money in. There are a ton of different options ranging from the classic pig design to more modern electronics. beatsbydre.us: DomeStar Cute Pig Piggy Bank, Pink Pig Bank Toy Coin Bank Decorative Saving Bank Money Bank Adorable Pig Figurine for Boy Girl Baby Kid.