Originated in Milwaukee, Wi. The term means to dance for once in front of a large group of people. Banging is a type of dance, you'd have to live in Milwaukee to know what it is.
-Everyone's dancing-
Friend 1: Ayee D you should go "bang that shit for the one time!"
Friend 2: Iight bro.
-D starts to "bang that shit" lmfao.-
Joff: Hey dood, check out me new band homeboy, were on myspace man, we gonna be massive dood.
Rab: Not tonight mate, washing me hair.
Joff: But dood, we gonna be massive n stuff! Aiiiight! I got contacts me.
Rab: Sunshine, all the advertisement in the world won't make you a better band. Now fuck off, you little flid. Tsssk, shit bands and myspace go together like flies and shit.