the word "slug" has a variety of definitions:
1. a bullet
2. a shot (of liquor)
3. to punch or knock unconscious
these definitions can often be found in hard-boiled detective fiction popularized by writers such as Raymond Chandler and
Dashiell Hammett in the 1930s and
1940s.
1. I fired a couple of
slugs into the air to let them know I meant business.
2. I downed a couple of slugs at the
speakeasy.
3. You shut your
yap before I slug you.