WAG Copy link • WAG 1. s. homo jocosus (Varr., Hor. Ep.); homo multi joci, ad jocandum aptus (Cic.). 2. v. Transitively, quatere (Liv.); quassare (Plaut.); concutere (Ov.); agitare (Cic., to move, to wag): movere (to move). To wag the tail, caudam movere (Sall.), jactare (Persius). Intransitively, agitari, moveri.