Idioms
An idiom is a group of words, or in other words, a phrase that has a meaning other than its literal meaning of the words in it.
Idiom:
make (someone's) head spin
Meaning:
to make someone confused or overwhelmed, to make someone dizzy
Example:
The information that I had to learn in the accounting course made my head spin.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is a group of words, or in other words, a phrase that has a meaning different from the literal meaning of the words in it.