Dictionary definition · slug
noun
- a projectile that is fired from a gun
- 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
- a counterfeit coin
- an idle slothful person
- an amount of an alcoholic drink (usually liquor) that is poured or gulped"he took a slug of hard liquor"
- a strip of type metal used for spacing
- any of various terrestrial gastropods having an elongated slimy body and no external shell
- (boxing) a blow with the fist"I gave him a clout on his nose"
verb
- strike heavily, especially with the fist or a bat"He slugged me so hard that I passed out"
- be idle; exist in a changeless situation"The old man sat and stagnated on his porch"
Source: Open English WordNet (CC BY 4.0).