Abbreviation for Itty Bitty Titty Committee. Used by small breasted girls as an excuse to leave a an uncomfortable situation or to talk about how well endowed other girls are without sounding overtly jealous
Sorry Mrs. P, I can't babysit your twins tonite. I have an emergency I.B.T.C. meeting back at school in an hour!
can be used to describe the excessive amount of hair growth in the gooch area. There must be long growth around the area (lower back and happy trail) to hint large growth of the gooch (hence the tail.)
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