"Self-infantilization behavior" refers to a niche category in webcam adult entertainment where individuals engage in role-playing scenarios that involve adopting childlike or babyish behaviors. This may include the use of toys, baby talk, or baby-themed attire. The category is characterized by consensual, fantasy-based interactions that appeal to certain fetishes and adult-age play enthusiasts. Keywords such as "role-play," "age regression," "fetish," and "adult baby" often describe this content, emphasizing the playful and imaginative elements that attract viewers to this unique genre.