BBL - A girl who's often crazy and abit delusional. She usually BBL's over certain things and will often use the phrase "i'm bbling" when she's having a manic episode/psyching out.
"Ella I'm BBL'ing, I can't breathe" -
"Nah stop BBL'ing before I give u something to BBL about"
Or can be used to describe someone you wanna fuck.
"She really said she gon fuck the BBL outta u..."
"Get the strap and let that bitch BBL all that brain disorder outta u..."