propiti

1. (propiti se) to take to drink; to become an alcoholic
   Posle razvoda se potpuno propio. — After the divorce he completely took to drink.
2. (+ acc.) to drink away
   Propio je celu platu za jedan vikend. — He drank away his whole salary in one weekend.

In the sense "to become an alcoholic" it is used with "se": "propio se".