The language peculiar to a people or to a district, community, or class
Idiom:
Dutch courage
Meaning:
unusual or artificial courage (often because of alcohol)
Example:
The man was full of Dutch courage when he began to criticize his boss.
List of common idioms, their meanings and examples of their usage in sentences
An expression in the usage of a language that is peculiar to itself either in having a meaning that cannot be derived from the conjoined meanings of its elements or in its grammatically atypical use of words.