Meaning : Informal language consisting of words and expressions that are not considered appropriate for formal occasions. Often vituperative or vulgar.
Example :
Their speech was full of slang expressions.
Synonyms : slang expression, slang term
Meaning : Use slang or vulgar language.
Meaning : Fool or hoax.
Example :
The immigrant was duped because he trusted everyone.
You can't fool me!.
Synonyms : befool, cod, dupe, fool, gull, put on, put one across, put one over, take in
Meaning : Abuse with coarse language.