The word bangarang is actually Jamaican slang and is defined as a hubbub, uproar, disorder, or disturbance. Used often in the movie "Hook" by the lost boys
"Yo, that meal was bangerang!"
"BANGERANG PETER!"
"Oh word, that chick looks bangerang tonight"
"We're gonna make a bangerang of a party up in here"
the act of hanging out with your friends, meeting a girl, going back to her place to participate in sexual intercourse, and leaving after to resume hanging out with your friends
Connor successfully pulled off the bangerang with Loretta and proceeded to tell his friends all the details.