When you’re so rich you don’t even look at the price tag.
Tom- see that guy over there wearing all that stone island clobber, bet he’s bamgin
Bill- proper bamgin, ya know what I’m sayin. That bitch is rich man
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."