What is the meaning of idiom caught his fancy?

The idiom "caught his fancy" means something appealed to his interest or attracted his attention. It suggests that something has sparked his curiosity or desire.

Here are some examples:

* "The vintage car caught his fancy, and he spent hours admiring its sleek design."

* "The new restaurant's exotic menu caught her fancy, and she couldn't wait to try it."

* "The comedian's jokes caught the audience's fancy, and they roared with laughter."

The idiom emphasizes a sudden and often unexpected feeling of excitement or fascination. It suggests that the person was drawn to something in a way that was not planned or anticipated.