0 past simple and past participle of snitch
1 to secretly tell someone in authority that someone else has done something bad, often in order to cause trouble:
She thought I'd snitched on her.
UK He snitched to my boss that I'd been making long-distance calls at work!
2 to steal something:
Inmates who snitch on other inmates risk being savagely beaten.
Eventually a classmate snitched, and Emma was called to the headteacher's office.
I once snitched a bottle of perfume from my mother's bedroom.
He'd snitched credit card numbers from credit-company computers.
"Slamming" refers to an underhanded method of snitching clients from rivals.
