Meaning of 'Across the pond'

This idiom means 'on the other side of the Atlantic Ocean', and is used to refer to the US or the UK depending on the speaker's location.

For example:

On Monday I'm going to visit my Aunt who lives across the pond! I land in JFK Airport, New York, and return to the UK the following Friday.

Our favourite bands always seem more popular across the pond.

She moved from Kentucky to across the pond for university, embracing the British culture wholeheartedly.

He's sourcing his classic car parts from a specialist across the pond.

Their latest software was a hit, especially across the pond in the US.