žabar

1. frog-catcher
   Žabar je noću išao uz bare sa lampom. — The frog-catcher walked along the ponds at night with a lamp.
2. colloq. derog. (of Italians) derogatory nickname for an Italian
   Navijači su vikali da će žabari izgubiti utakmicu. — The fans were shouting that the Italians would lose the match.
3. colloq. humor. regional (of lowland inhabitants) mocking nickname for an inhabitant of a marshy or lowland area
   Stanovnike sela pored močvare komšije u šali zovu žabarima. — The neighbours jokingly call the people from the village by the marsh 'frogs'.

In the sense 'Italian' the word is usually taken as offensive; in neutral speech use Italijan.