slug -- (an amount of an alcoholic drink (usually liquor) that is poured or gulped; "he took a slug of hard liquor")
type slug, slug -- (a strip of type metal used for spacing)
slug -- (any of various terrestrial gastropods having an elongated slimy body and no external shell)
punch, clout, poke, lick, biff, slug -- ((boxing) a blow with the fist; "I gave him a clout on his nose")
Overview of verb slug
The verb slug has 2 senses
slug, slog, swig -- (strike heavily, especially with the fist or a bat; "He slugged me so hard that I passed out")
idle, laze, slug, stagnate -- (be idle; exist in a changeless situation; "The old man sat and stagnated on his porch"; "He slugged in bed all morning")