slang expression

Từ điển Oxford Learners Wordfinder Dictionary

noun

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
• Syn:
slang, slang term
• Derivationally related forms:
slangy (for: slang), slang (for: slang)
• Hypernyms:
non-standard speech