slug

Any of many gastropod mollusks, having no (or only a rudimentary) shell.

A slow, lazy person; a sluggard.

A bullet or other projectile fired from a firearm; in modern usage, generally refers to a shotgun slug.

[…] all our Ammunition was spent. Those of us who had Money made Slugs of it; their next Shift was to take the middle Screws out of their Guns, and charge their Pieces with them.

A mass accelerator propels a solid metal slug using precisely-controlled electromagnetic attraction and repulsion. The slug is designed to squash or shatter on impact, increasing the energy it transfers to the target. If this were not the case, it would simply punch a hole right through, doing minimal damage.

A solid block or piece of roughly shaped metal.

A counterfeit coin, especially one used to steal from vending machines.

To drink quickly; to gulp; to down.

To take part in casual carpooling; to form ad hoc, informal carpools for commuting, essentially a variation of ride-share commuting and hitchhiking.

"We believe in car-pooling, but let's do it without restricting traffic. ..." Sam Snyder, 51, of Burke, who has been slugging to his job at the US Customs ....

no sane person would attempt to commute that far every day. Sure they do. I've often slugged to Fredericksburg and back. The VRE carries hundreds of people per day, and the I-95 HOV lanes carry tens of thousands of people each day.

To become reduced in diameter, or changed in shape, by passing from a larger to a smaller part of the bore of the barrel.

To move slowly or sluggishly; to lie idle.

To slug in slouth and sensuall delights.

To load with a slug or slugs.

to slug a gun

A hard blow, usually with the fist.