To possess more smoking utensils and glassware than anyone else known in the area. To be a Glass King is to have brand name smoking devices of every shape, size, color, and style.
RooR, Medicali, Zong, Vapir, Vaporbrothers, Volcano, Bongs in general.
Person 1: Check out my glassware... (shows array of pieces)
Person 2: 'ey man you really are the glass king
Person 1: yeah yeah, now choose one and lets spark it