slug

Definitions
Examples

(noun): Any of many terrestrial pulmonate gastropod mollusks, having no (or only a rudimentary) shell.
(noun): A slow, lazy person; a sluggard.
(noun): A bullet or other projectile fired from a firearm; in modern usage, generally refers to a shotgun slug.
(noun): A solid block or piece of roughly shaped metal.
(noun): A counterfeit coin, especially one used to steal from vending machines.
(noun): A shot of a drink, usually alcoholic.
(noun): 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.
(noun): (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.
(noun): A discrete mass of a material that moves as a unit, usually through another material.
(noun): A motile pseudoplasmodium formed by amoebae working together.
(noun): 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.
(noun): (television editing) A black screen.
(noun): 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.
(noun): A stranger picked up as a passenger to enable legal use of high occupancy vehicle lanes.
(noun): (District of Columbia) A hitchhiking commuter.
(noun): The last part of a clean URL, the displayed resource name, similar to a filename.
(noun): A hindrance, an obstruction.
(noun): A ship that sails slowly.
(verb): To drink quickly; to gulp; to down.
(verb): To take part in casual carpooling; to form ad hoc, informal carpools for commuting, essentially a variation of ride-share commuting and hitchhiking.
(verb): (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.
(verb): To move slowly or sluggishly; to lie idle.
(verb): To load with a slug or slugs.
(verb): To make sluggish.

to slug a gun