brukati

1. (+ acc.) to disgrace; to shame
   Nemoj da nas brukaš pred gostima! — Don't embarrass us in front of the guests!
   Svojim ponašanjem bruka celu porodicu. — His behaviour brings shame on the whole family.
2. (brukati se) to make a fool of oneself; to disgrace oneself
   Prestani da se brukaš, svi te gledaju. — Stop making a fool of yourself, everyone's watching.

The perfective is obrukati (se).