lnbt Share definition Flag an acronym for "Late Night Booty Text." Pretty much a late night booty call, but via text. aka, anything texted after 11pm by an interested party looking for booty. You were texting at 3am? Sounds like lnbt to me. lnbt by winafe October 29, 2010 0 0 Get merch Get the lnbt mug. Buy Now — $32.95 See more merch
