You spot a stand of eggplants, which makes you happy. They can be kind of difficult to find. But some of your favorite dishes involve eggplant, like eggplant parmesan and ratatouille. You like eggplant so much that you don't even participate in how it's used as a shorthand for a penis.
Unfortunately, the sign by the eggplants has an eggplant emoji. You don't like your favorite vegetable being associated with genitalia, particularly because you're a straight man who has zero interest in anyone's cock but his own.
Ignoring the sign, you grab an eggplant and head to the checkout. If you had looked at the sign more closely, however, you would have seen that the emoji wasn't just to be cute. It was warning what the eggplant did. Eating one of the eggplants will make a person's penis the size of the specific eggplant they chose. If the person doesn't have a penis, they will grow one to be the size of it.
The eggplant you chose was...