mazati

1. (of butter, jam etc.) to spread
   Ujutru uvek maže puter i med na hleb. — In the mornings he always spreads butter and honey on his bread.
   Deca mažu hleb pavlakom. — The kids are spreading sour cream on their bread.
2. (of cream, ointment) to apply; to rub on
   Maži ranu ovom kremom dva puta dnevno. — Put this cream on the wound twice a day.
3. (mazati se) to put on cream; to put on makeup
   Na plaži se stalno mažem kremom za sunčanje. — At the beach I keep putting on sunscreen.
   Ona se pola sata maže pred ogledalom. — She spends half an hour doing her makeup in front of the mirror.
4. to smear; to dirty
   Mali stalno maže zidove flomasterima. — The little one keeps scribbling all over the walls with markers.
5. (of machinery) to lubricate; to grease
   Lanac bicikla treba redovno mazati uljem. — A bicycle chain needs to be oiled regularly.

Both mazati puter na hleb (na + acc.) and mazati hleb puterom (instrumental) are used.