a small world
1
used to show one's surprise when meeting someone in a place one did not expect, or when one becomes aware of an unexpected relation between people
The exact origin of the idiom "it is a small world" is not precisely documented, but it has been in use for many years and is widely recognized as a well-established expression in the English language. It is used to express surprise or amazement when people discover unexpected connections or shared experiences.
- I didn't know that you knew my uncle.What a small world.
- I never thought I'd run into Samantha at a ball game-it's a small world.
- You know John from the office?He's my cousin.It's a small world!
- I met someone on vacation who went to the same school as you.It's a small world.
- I ran into our old neighbor at the airport, and he knows your childhood friend.Small world, isn't it?