The term "hood-nigga" in a porn video tag refers to a specific racial and cultural stereotype associated with African American men from urban, primarily low-income areas. This label often carries connotations of street smarts, machismo, and sexual potency, which are sometimes fetishized or explored within the context of adult entertainment. It's important to note that this term has been historically used in a derogatory way and can be considered as such by some individuals. Therefore, its use should be approached with sensitivity and understanding of its historical context.