slugs

1. Any of many terrestrial pulmonate gastropod mollusks, having no (or only a rudimentary) shell.
2. A slow, lazy person; a sluggard.
3. A bullet or other projectile fired from a firearm; in modern usage, generally refers to a shotgun slug.
4. A solid block or piece of roughly shaped metal.
5. A counterfeit coin, especially one used to steal from vending machines.
6. A shot of a drink, usually alcoholic.
7. A title, name or header, a catchline, a short phrase or title to indicate the content of a newspaper or magazine story for editing use.
8. (rarely used) the Imperial (English) unit of mass that accelerates by 1 foot per second squared (1 ft/s²) when a force of one pound-force (lbf) is exerted on it.
9. A discrete mass of a material that moves as a unit, usually through another material.
10. A motile pseudoplasmodium formed by amoebae working together.
11. An accessory to a diesel-electric locomotive, used to increase adhesive weight and allow full power to be applied at a lower speed. It has trucks with traction motors but lacks a prime mover.
12. (television editing) A black screen.
13. A piece of type metal imprinted by a linotype machine; also a black mark placed in the margin to indicate an error; also said in application to typewriters; type slug.
14. A stranger picked up as a passenger to enable legal use of high occupancy vehicle lanes.
15. (District of Columbia) A hitchhiking commuter.
16. The last part of a clean URL, the displayed resource name, similar to a filename.
17. A hindrance, an obstruction.
18. A ship that sails slowly.

1. To drink quickly; to gulp; to down.
2. To take part in casual carpooling; to form ad hoc, informal carpools for commuting, essentially a variation of ride-share commuting and hitchhiking.
3. (of a bullet) To become reduced in diameter, or changed in shape, by passing from a larger to a smaller part of the bore of the barrel.
4. To move slowly or sluggishly; to lie idle.
5. To load with a slug or slugs.

   to slug a gun

6. To make sluggish.

noun

A hard blow, usually with the fist.

1. To hit very hard, usually with the fist.

   He insulted my mother, so I slugged him.