Definition of "slag" [slag]

• The vitreous mass left as a residue by the smelting of metallic ore. (noun)
• See scoria. (noun)
• To change into or form slag. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "If I call the queen a dirty parasite slag is that OK, it is just words."
• "As for the name, the first thing I think of is a bing, a mountain of slag from a coal mine."
• "They then thought that it was a piece of slag from a local foundry that had fallen out of a dump truck."