used to show surprise or utter shock, usually yelled, best in telling stories of random happenings also, a city in Cameroon (near Nigeria)
so i was walking down the street and BAZANGA some freak totally came out of no where and nearly scared me to death
used when someone is talking stupidness and you dont want to hear them, usually involve hand into face motion
ryan:hey foo!! im going to beat you up after skool so watch...