"omg that is so 90210 (re: highly dramatic situation or conflict)  "well she was being really 90210-ish about it so i decided not to invite her
the state of acting like you live in the television show, beverly hills 90210
""omg that is so 90210 (re: highly dramatic situation or conflict)  "well she was being really 90210-ish about it so i decided not to invite her" What is the definition of "90210"?