meaning “ boss nigga shit”. So any time you do some shi and feeling tuff that’s you doing boss nigga shit.
Person 1: I just took this niggas girl
Person 2 : that’s bns.
You: Yo me and this bad jawn did some crazy shi last night
Homie: that’s bns
To be very exited about somehing.
OMG I'M GOING TO MEET MY CHEMICAL ROMANCE IUBRVI*BNR*TNCT*NGEO*NGWRN(*GITR&WGEG&^%$E&(*#B&*TR*&EWEY*BN&YR*&WNR(E*RRY IM SO EXITED ASHLEY