lepršati

1. (of fabric, hair, flags) to flutter; to flap
   Kosa joj je lepršala na vetru. — Her hair was fluttering in the wind.
   Zastave lepršaju iznad stadiona. — Flags are flapping above the stadium.
2. (of butterflies, birds) to flit; to flutter
   Leptiri lepršaju po livadi. — Butterflies are flitting about the meadow.