A Good Bottle of Wine

Why makes this Joke funny?

The humor in this joke arises from the play on the different meanings of the word "spend." In the question "How much should I spend on a really good bottle of wine?", the word "spend" is typically understood in the context of money, referring to the amount of money one should pay for a bottle of wine. However, the punchline unexpectedly shifts the meaning of "spend" from a monetary context to one of time ("Half an hour? Twenty minutes?").

This shift creates a humorous effect because it subverts the listener`s expectations. The listener anticipates a monetary answer, but instead, the response humorously suggests spending time enjoying the wine, not money purchasing it. This kind of wordplay and the subversion of expectations are common elements in humor.