Ballio, ōnis, m.,
the name of a worthless pimp in the Pseudolus of Plautus; hence, for designating any worthless man , Cic. Phil. 2, 6, 15; id. Rosc. Com. 7, 20.— Whence, Ballĭōnĭus , a, um, adj., of Ballio , Plaut. Ps. 4, 6, 2.