What is another word for slang expression?
Pronunciation: [slˈaŋ ɛkspɹˈɛʃən] (IPA) 
Slang expressions are informal words or phrases that are used in certain social groups or communities. They are often used to express oneself in a more casual and relaxed way. There are a number of synonyms for slang expression that can be used, including colloquialism, jargon, argot, vernacular, patois, and lingo. Colloquialism is a term used for language that is common in everyday speech but not necessarily accepted in formal writing. Jargon refers to specialized language used by groups with a shared profession or interest. Argot and vernacular are both terms for slang used in specific regions or communities. Patois is slang used by speakers of a particular language, while lingo refers to the secret or specialized language used by a particular group.
