It's when a dick, becomes a whore. The croatian words kurac and kurva ho together and it becomes kurvac.
Guy 1: Yo look at the kurvac over there!
Guy 2: das crazy bro.
When a guy is getting cocknball torturen by setting muffins on his nuts and letting a goat lick them off
Haha nerd get muffin cocknball tortured
Kevin: yo i heard Kendrick has a meanis.
Kyle: yeah i heard jessica saw it.