Noun: slang expression
- A word or expression that is outside of standard usage and is very informal
"The teenagers used many slang expressions that their parents didn't understand";
- slang term, slang word
- 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";
- slang, slang term
Derived forms: slang expressions
Type of: expression, locution, non-standard speech, saying