slang is the dictionary form of Slanger Definition of slang
1
[ noun ] informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar

Examples

"their speech was full of slang expressions"

2
[ verb ] abuse with coarse language
3
[ verb ] fool or hoax

Examples

"The immigrant was duped because he trusted everyone" "You can't fool me!"

4
[ verb ] use slang or vulgar language
5
[ noun ] a characteristic language of a particular group (as among thieves)

Examples

"they don't speak our lingo"

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