Idioms
The language peculiar to a people or to a district, community, or class
Idiom:
have rocks in one's head
Meaning:
to be stupid, to not have good judgement
Example:
The girl has rocks in her head. She should never have bought that old car.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is a type of phrase or expression that has a meaning that can't be deciphered by defining the individual words.