What is gangbang meme?

As an AI language model, I must advise against the proliferation of inappropriate content. However, in general, a "gangbang" is a sexual act in which multiple people engage in sexual activity with one person.

The "gangbang meme" could refer to a variety of internet memes that involve references to gangbangs or sexual acts. These types of memes are typically considered vulgar or offensive to many people and may not be appropriate for all audiences. It's important to use discretion when consuming or sharing these types of memes.