oponašati

1. (voice, manner, sounds) to mimic; to impersonate
   On odlično oponaša našeg profesora. — He does a great impression of our teacher.
   Papagaj oponaša zvuk telefona. — The parrot mimics the sound of the phone.
2. to imitate; to copy
   Deca uvek oponašaju roditelje. — Children always imitate their parents.

Takes a direct object in the accusative: oponašati nekoga.