What is the definition of snitching?

Answer 1

According to 'Partridges Dictionary of Slang' it means "to purloin or pilfer something" - in other words sneaky theft.

- when I was in school it also meant to tell on someone.

Answer 2

Snitching generally refers to the act of informing or reporting someone's illegal or wrongdoing to authorities or other parties. It is often used in a negative context, implying betrayal or breaking a code of silence. The motivations and perceptions of snitching can vary depending on the situation and cultural context.