O.S.B.T
O.S.B.T is an abbreviation for the phrase "One shot begone thot". This term is used to describe a videogame player, most likely a Fortnite player who only needs one sniper shot to kill all his enemies. This is often used to describe "xd" clan members.
"Jay/Mason/Daniel, can you split your heavy ammo, I've only got one bullet.
"Nah"
"C'mon Jay/Mason/Danie I'm not an O.S.B.T like you
"Nah"
"C'mon Jay/Mason/Danie I'm not an O.S.B.T like you