a cocky, self-centered, over confident male who participates in band. Often thinks he is popular and a ladies man. Sometimes may actually be quite talented, but usually just egotistical.
"Wow, Tim always gets so pissed offwhen the jazz band messes up"
"Yeah he is such a bandbag"
"Tim always dates the colorguard girls, fucks them, then dumps them."
"He is the biggest bandbag."
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"