pogan

1. (often of speech) vile; wicked; foul
   Ima pogan jezik i svakoga ogovara. — She has a foul tongue and gossips about everyone.
   Ne obraćaj pažnju na pogana usta. — Don't pay attention to malicious gossip.
2. dirty; filthy; disgusting
   Ne pij tu poganu vodu iz bare. — Don't drink that filthy water from the pond.

3. derog. (of a person) a vile person; scum
   Ta pogan ga je opet prevarila. — That scum cheated him again.
4. filth; excrement
   Ispred ulaza je opet neka pogan. — There's some filth in front of the entrance again.

The adjective is mostly used in pogan jezik, pogana usta.