Slug

s. (slung, Danish, and slock, Dutch, signify a glutton.) 1. An idler; a drone; a slow, heavy, sleepy, lazy wretch (Shaksp.). 2, A hinderance; an obstruction (Bacon). A kind of slow creeping snail. (See Limax.) 4. (plecg, a hammerhead, Saxon.) A cylindrical or oval piece of metal shot from a gun (Pope). To SiuG. v.n. (from the noun.) To lie idle; to play the drone; to move slowly (Spenser).