While the title is metaphorical, botanical definitions offer a different perspective on "berries":

: By changing "blacker" to "younger," the film’s title shifts the focus from skin tone to the age of the performers, a common trope in its specific media niche. 3. Biological Context: What is a Berry?

: In nature, the "sweetness" of a berry is typically linked to its ripeness (sugar content) rather than it being "younger". In fact, "younger" or under-ripe berries are usually more acidic and sour.

Bananas are Berries. Raspberries are Not. | Office for Science and Society