Idioms
A group of words which have a different meaning when used together from the one they would have if you took the meaning of each word separately.
Idiom:
spring (something) on (someone)
Meaning:
to surprise someone with something
Example:
I wish that my friend would not suddenly spring his crazy ideas on me.
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.