mešanac

1. (of animals) mixed breed; mongrel; mutt
   Udomili smo jednog mešanca iz azila. — We adopted a mutt from the shelter.
   Naš pas je mešanac, ali je jako pametan. — Our dog is a mixed breed, but very smart.
2. derog. (of a person) half-breed; person of mixed race
   U školi su ga zadirkivali i zvali mešancem. — At school they teased him and called him a half-breed.

Neutral when said of dogs, but often offensive when said of people.