Short for "serious business". Saying the word "serb" after stating a comment or fact means your are seriously telling the truth. If you "Serb" something, and then are caught lying about it, it means you are not to be trusted.

Serb: Pronunciation: ss-uh-rrb; to eat asshole. "Suuhhrrbbb": the sounds made from one's mouth and nostril area as he or she is eating a large and heavy asshole. Typically, the asshole in question is plummeted from some height towards a person's face, in order to have more force upon landing.

Serb is a person who lives in Serbia.They are genocidal poeple of you say "Kosovo is Independent" They will try to kill you.They hate everyone in Balkan half island.They Hate Bosniaks the most.

A war criminal