kstar is illuminating you with knowledge which the person has acquired form someone else. Like a star that gives out light but that light is reflected from a different light source.
K star is a really trustworthy and respectful friend. At times they can be an ass but they are always willing to lend an ear and become your comfort place, K star will always try to understand you and help you whenever you need. They’re also really attractive on the outside and inside with a good and loving personality
EBK stands for "Elite Ball Knowledge." 1 In internet slang, "ball knowledge" originally referred to a deep understanding of football/soccer or basketball, but it has evolved into a broader term for having a highly sophisticated, deep, or niche understanding of any specific topic (such as music, movies, or subcultures).
Person A: "That scene was a direct homage to an unreleased 1982 Japanese indie film."
Person B: "Wow, EBK."