The language peculiar to a people or to a district, community, or class
Idiom:
in a month of Sundays
Meaning:
in a very long time
Example:
I have not been to the shopping mall in a month of Sundays.
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.