tuka

1. colloq. derog. (of a woman) stupid woman; silly cow
   Ona glupa tuka opet je sve pobrkala. — That silly cow mixed everything up again.
2. regional turkey hen
   Baba je za praznik zaklala tuku. — Grandma slaughtered a turkey hen for the holiday.

A rude insult; in standard usage the bird is usually called ćurka.