1. n. an informer. Who needs a snitch? If he can’t keep his mouth shut, he can beat it.
2. in. to inform (on someone). (Often with on.) The cops were waiting for us. Who snitched?
3. tv. to steal something. Why don’t you snitch the salt from one of the other tables?
4. n. a theft. (Underworld.) The snitch went off without a hitch.