"slang" in the noun sense
1. slang, slang expression, slang term
informal language consisting of words and expressions that are not considered appropriate for formal occasions often vituperative or vulgar
"their speech was full of slang expressions"
2. slang, cant, jargon, lingo, argot, patois, vernacular
a characteristic language of a particular group (as among thieves
"they don't speak our lingo"
"slang" in the verb sense
use slang or vulgar language
2. gull, dupe, slang, befool, cod, fool, put on, take in, put one over, put one across
fool or hoax
"The immigrant was duped because he trusted everyone"
"You can't fool me!"
abuse with coarse language
Source: WordNet® (An amazing lexical database of English)
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