slug

(noun) a projectile that is fired from a gun. Synonyms: bullet.

(noun) a unit of mass equal to the mass that accelerates at 1 foot/sec/sec when acted upon by a force of 1 pound; approximately 14.5939 kilograms.

(noun) a counterfeit coin.

(noun) an idle slothful person. Synonyms: sluggard.

(noun) an amount of an alcoholic drink (usually liquor) that is poured or gulped. Example: "He took a slug of hard liquor."

(noun) a strip of type metal used for spacing. Synonyms: type slug.

(noun) any of various terrestrial gastropods having an elongated slimy body and no external shell.

(noun) (boxing) a blow with the fist. Synonyms: punch, clout, poke, lick, biff. Example: "I gave him a clout on his nose."

(verb) strike heavily, especially with the fist or a bat. Synonyms: slog, swig. Example: "He slugged me so hard that i passed out."

(verb) be idle; exist in a changeless situation. Synonyms: idle, laze, stagnate. Examples: "The old man sat and stagnated on his porch." "He slugged in bed all morning."