Verbal idioms, or "un modismo" as they are known in Spanish, consist of a specific expression where its meaning has practically nothing to do with the words that make it up, since its use, creation and application are part of a linguistic custom that allows an idea to be understood in a few or in other words, that can only be generally understood by those who share the same language. It is important to emphasize that an idiom is not a saying since many people tend to confuse these concepts. Let's look at several examples of Spanish idioms to better understand how these popular linguistic customs are used.
The usefulness of this expression is centered on making known how different or rare something or someone is within any context, especially it is common to hear it in the family nucleus to say that one of the children or relatives is not similar to the others.