subs. (common).1. Poison; also medicine. [From the gypsey.] Also used as a verb.
1851. BORROW, Lavengro, ch. lxxi., p. 226 (1888). At him, juggal [a dog], at him; he wished to poison, to DRAB you.
2. (colloquial).A strumpet. Also DRABBING = strumming.