A slug is a gastropod mollusk without a shell or with a very small internal shell. Slug or slugs may also refer to: Objects Slug (coin), a counterfeit coin Slug (projectile), a solid ballistic projectile Slug (railroad), an accessory to a diesel-electric locomotive Slug or blank, a piece of bar stock ready to be machined into a finished part Publishing Slug (publishing), a short name given in newspaper editing to articles that are in production Slug (typesetting), a piece of spacing material used in typesetting to space paragraphs Slug (web publishing), a user- and SEO-friendly short text used in a URL to identify and describe a resource Arts, entertainment, and media Fictional characters Slug (comics), a villain in the Marvel Comics universe Lord Slug, the main antagonist of the fourth Dragon Ball Z movie Films Slugs (1988 film), based on the Shaun Hutson novel Slugs (2004 film), German film Music Groups Slug (American band), an American noise rock band Slug (British band), a British art-rock band Slugs, the backing group of Doug and the Slugs, a Canadian pop music group Songs "Slug" (song), a 1995 song by Passengers (U2 and Brian Eno) "Slug", a bonus song on the 1990 compilation album All the Stuff (And More) Volume Two by The Ramones Other uses in arts, entertainment, and media SLUG Magazine, Salt Lake Under Ground magazine Slugs (novel), a 1982 novel by Shaun Hutson The Slug, a pop culture blog for the defunct web portal asap Science and technology Slug (unit), a unit of mass in the Imperial system Grex (biology), an aggregation of amoebae Slug, a nickname for the Linksys NSLU2 Slugs (autopilot system), an open-source autopilot system oriented toward inexpensive autonomous aircraft Sports Slug, another name for Chinese handball Slugs, a nickname of the Buffalo Sabres National Hockey League team - see List of ice hockey nicknames Slugs, a nickname for the UC Santa Cruz Banana Slugs, the sports teams of the University of California, Santa Cruz People Slug (rapper), an underground rapper best known as a member of the hip-hop group Atmosphere Ray Jordon (1937–2012), Australian cricketer, nicknamed Slug Steve Russell (computer scientist) (born 1937), American computer scientist, creator of the early video game Spacewar!, nicknamed Slug Casimir Witucki (1928–2015), American National Football League player, nicknamed Slug Other uses "Slug road", a colloquial name for the A957 roadway in eastern Scotland, UK Slug, a synonym for punch (combat)