BSM12I Share definition Flag BSM12I is the abbrev. for "Bitch suck my 12 inch" from the song "12 inch" by DJ Inphinity Lol BSM12I and suck it hard. BSM12I by Unethural October 18, 2010 0 0 Get merch Get the BSM12I mug. Buy Now — $32.95 See more merch
