Look at a bag of black grapes. See how dark they are? That’s how I like my men.
25 at a time.
Dark Grapes and Men
Categories
Explanation
Experiment
The humor comes from the unexpected shift in meaning. The first part sets up an expectation of a preference for dark-skinned men but the punchline reveals a preference for a large number of men at once, using '25' as an absurd quantity.