Slag (disambiguation) From Wikipedia, the free encyclopedia Look up slag in Wiktionary, the free dictionary. Slag is a by-product of smelting ore. Slag may also refer to: Slag (play), an early play by David Hare Slag (video game), a 1980 game for the TRS-80 The Slag brothers, characters in the American animated television series Wacky Races Slag, the Dinobot in Transformers Other uses Slag (welding), a by-product of some arc welding processes Slag, a pejorative British term for slut Slag, an alternative name for spoil tip, mining waste See also "Slag off" (Irish), see Insult comedy Topics referred to by the same term This disambiguation page lists articles associated with the title Slag.If an internal link led you here, you may wish to change the link to point directly to the intended article. Related Articles