The item in question refers to an adult media scene titled "SheLovesBlack - Emma Rosie - Skipping School."
The video centers on a roleplay theme where the performers decide to for a day of rebellion. The term "portable" in the keyword likely refers to the school portable (a temporary classroom building) which serves as the primary setting or starting point for the scene's narrative. Key Performers shelovesblack emma rosie skipping school portable