What is the meaning of idiomatic expression over in his

The phrase "over in his" is not an idiomatic expression in English. It's likely a mistake or incomplete phrase.

Here's why:

* Incomplete: It lacks context and a complete thought. We need more information to understand what it means.

* Grammatically Incorrect: It uses a preposition ("over") without a clear object or direction.

To understand what you meant, please provide more context or complete the sentence. For example:

* "Over in his office" - This indicates a location.

* "Over in his mind" - This suggests a state of thought or contemplation.

Once you provide more information, I can help you decipher the meaning.