F.A.N.B.
F. A. N. B. is when you’re so low you’re willing to take any bitch, even if she’s barely legal.
He said 'F. A. N. B.' when he saw me with his little sister.
She posted 'F. A. N. B.?' after I dated her cousin.
My friend got suspended for saying 'F. A. N. B.' in class.