Definition of "slang term" []

• Informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar (noun)

WordNet. Princeton University. 2010.

• "And poule hen is another slang term for a prostitute; in fact, hautpoul could mean ‘high prostitute’…36"
• "Shafafa is a problem; it is too far a stretch from alfalfa, and no slang term or Old Norse derivation offers a clue."
• ""A twittery, Chandris," she said, "is an old and slightly vulgar slang term for a Kelsey's Splitter.""