ošišati

1. to cut someone's hair
   Frizerka me je lepo ošišala. — The hairdresser gave me a nice haircut.
   Tata je sam ošišao sina. — Dad cut his son's hair himself.
2. (ošišati se) to get a haircut
   Jesi li se ošišao? Baš ti lepo stoji. — Did you get a haircut? It really suits you.
3. (of sheep, hedges) to shear; to trim
   Deda je juče ošišao sve ovce. — Grandpa sheared all the sheep yesterday.
   Moramo da ošišamo živu ogradu. — We need to trim the hedge.
4. colloq. (of money) to fleece; to rip off
   Dobro su nas ošišali u tom restoranu. — They really ripped us off at that restaurant.

The imperfective is šišati; “to get a haircut” is ošišati se.