Youngh person with rich parents, only child and with a returning clothing pattern: either a polo (mostly pink) or a nice shirt, a pullover hanging over the shoulders the shoulders and (tight) pants with a clearly visible belt with classic shoes (all of an expensive brand).
(origin: this "dress code" is frequently found in the belgian city Knokke, where the name originates from)
Richard is really a knokke boi, he doesn't even give "poor" kids like us a second glance, did you know he plays golf with the principal in the weekends?