definition of
slug

[1] #1 slug v. [slog, swig] strike heavily, especially with the fist or a bat; "He slugged me so hard that I passed out". wn

[2] #2 slug n. [bullet] a projectile that is fired from a gun. wn

[3] #3 slug v. [idle, laze, stagnate] be idle; exist in a changeless situation; "The old man sat and stagnated on his porch"; "He slugged in bed all morning". wn

[4] #4 slug n. 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. wn

[5] #5 slug n. a counterfeit coin. wn