Select the most appropriate meaning of the given idiom.

'Burn a hole in one's pocket'

Money spent quickly

The correct answer is Option (3) - Money spent quickly

The most appropriate meaning of the idiom "Burn a hole in one's pocket" is: Money spent quickly

This idiom refers to the tendency to spend money as soon as it is received, suggesting that the money feels like it is "burning a hole" in the person's pocket, prompting them to spend it rather than save it.