The phrase denotes a specific type of apparel: a black t-shirt featuring an image related to LeBron James, the basketball player. The imagery includes him blowing blue bubble gum and is likely incorporated into a design relevant to his career or personal brand. This apparel falls under the category of fan merchandise, specifically targeting individuals who admire the athlete.
Such merchandise serves as a visible symbol of support and affiliation for fans. Its significance extends beyond mere clothing, representing a connection to a popular figure and a shared interest in basketball. Historically, sports-related apparel has been a significant revenue stream for athletes and sports organizations, fostering brand loyalty and community among fans.