Idioms
An idiom is a type of phrase or expression that has a meaning that can't be deciphered by defining the individual words.
Idiom:
need (something) like (one needs) a hole in the head
Meaning:
to not need something at all
Example:
My friend needs a new computer like he needs a hole in the head.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is defined as - a group of words in a fixed order that has a particular meaning that is different from the meanings of each word on its own.