kresati

1. (of trees, branches) to prune; to trim
   Deda svakog proleća kreše voćke u bašti. — Every spring Grandpa prunes the fruit trees in the garden.
2. (of budgets, costs) to cut; to slash
   Vlada stalno kreše budžet za kulturu. — The government keeps cutting the culture budget.
3. (+ dat., istinu u lice) to tell someone bluntly to their face
   Ona uvek kreše istinu u lice svima. — She always tells everyone the truth to their face.
4. slang vulg. to bang; to screw
   Hvali se da je kresao neku ribu sa žurke. — He's bragging that he was banging some chick from the party.
5. (of a match, fire, spark) to strike
   Kresao je šibicu za šibicom, ali vetar je gasio plamen. — He struck match after match, but the wind kept blowing out the flame.

In the senses 'to prune', 'to cut' and 'to tell someone bluntly', the perfective is skresati; for a single strike of a match (kresnuti šibicu) and in the sexual sense, kresnuti is usually used.