prevrtati

1. to turn over; to flip
   Mama prevrće palačinke u tiganju. — Mom is flipping the pancakes in the pan.
   Nervozno je prevrtao stranice knjige. — He was nervously flipping through the pages of the book.
2. to rummage; to ransack
   Ceo sat prevrćem fioke i ne mogu da nađem ključ. — I've been rummaging through the drawers for an hour and can't find the key.
3. (prevrtati se) to toss and turn
   Celu noć sam se prevrtao u krevetu. — I tossed and turned in bed all night.
4. (prevrtati očima) to roll one's eyes
   Nemoj da prevrćeš očima kad ti nešto kažem! — Don't roll your eyes when I'm telling you something!

The perfective is prevrnuti.