Definizione e Significato di "[play] gooseberry"

What is the origin of the idiom "play gooseberry" and when to use it?

The idiom "play gooseberry" has its origins in British slang dating back to the 19th century. It originally referred to a person who accompanied a couple on a romantic outing, acting as a chaperone to ensure their behavior remained appropriate, much like a gooseberry bush standing alone. Over time, the term has evolved to mean someone who is unintentionally present when a couple wants to be alone, often feeling like a third wheel or outsider in the situation.