1. a small pig or a young pig
Usage: informal; often used in children's language or affectionate contexts
2. a person who is greedy or dirty
Usage: informal; derogatory

Examples

• The little piggie rolled around in the mud.
• The farm had three piggies in the pen.
• Don't be such a piggie—share your snacks with your sister.
• The children giggled at the cute piggies at the petting zoo.
• He ate like a piggie at the dinner table.