Abbreviation for bull shitting. Usually the slang term for bull shit is “bs”. So bsn is bull shittIN. It makes perfect sense.
by Erikboyz December 05, 2020
by iBJocking January 30, 2012
by Bigbootyjooty May 24, 2018
BSN are da Hottest younng Niggaz in town an yall cant Fuk wit dem theyre also known around Texas an very popular but get straightt to da moneyy Kuz dey known to Finesse!!👿👑
by BSN da GaNg February 07, 2019
by a.trae11 March 14, 2018