kurvati

1. vulg. derog. (with se) to whore around; to sleep around
   Pričaju da se kurva dok joj je muž na poslu. — They say she sleeps around while her husband is at work.
2. vulg. derog. (with se) to sell out; to prostitute oneself
   Taj političar se kurva sa svakom novom vlašću. — That politician sells out to every new government.

Used with se (kurvati se); a crude word.