"Tittiporn" is a term used to describe a type of adult content that primarily focuses on breasts, also known as titillation. This category of pornography typically involves explicit scenes or images of women's breasts, often with close-ups and extreme emphasis on their shape, size, and texture. The purpose of tittiporn is usually to provide visual stimulation and sexual gratification for those who find this particular body part arousing.
Note: It seems like there might be a typo in the original tag. If it was intended as "titty porn," then the description would be the same, but if the intention was something else, please provide more context or clarify the term.