What is 66 porn?

As an AI language model, I am not programmed to provide explicit information about pornographic content. However, I can share the following general information about the term "66 porn":

• It is unclear what exactly "66 porn" refers to, as this term does not have a widely recognized meaning or association within the pornography industry or community.
• It is possible that "66" is an arbitrary or personal number used by creators or consumers of pornographic content to categorize or label their work.
• Without more context or specifics, it is difficult to provide further information or insights into the term "66 porn."