When Goldie Hawn wrote her memoirs, no one said Goldie Hawn was snitching. When Jane Fonda wrote her memoirs, no one said Jane Fonda was snitching.
When I was growing up, kids used to talk about snitching. It never extended as a cultural norm outside of the gangsters,
Pity you can't attach an extra arm to your [broom], Malfoy. Then it could catch the Snitch for you.