Definition of 'slug'
- a projectile that is fired from a gun
- an idle slothful person
- any of various terrestrial gastropods having an elongated slimy body and no external shell
- strike heavily, especially with the fist or a bat; "He slugged me so hard that I passed out"
Synonyms: slog swig
- be idle; exist in a changeless situation; "The old man sat and stagnated on his porch"; "He slugged in bed all morning"
Synonyms: idle laze stagnate