ščepati

1. colloq. to grab; to seize
   Ščepao ga je za kragnu i izbacio napolje. — He grabbed him by the collar and threw him out.
   Pas je ščepao kobasicu sa stola. — The dog snatched the sausage off the table.
2. colloq. (of the police) to catch; to nab
   Policija je lopova ščepala posle dva dana. — The police nabbed the thief two days later.

The body part grabbed takes za + accusative: ščepati koga za ruku.