https://www.npr.org/sections/codeswitch/2013/06/21/193881290/jeah-we-mapped-out-the-four-basic-aspects-of-being-a-bro
Jun 21, 2013 — We settled on four major dimensions of bro. These pillars, which may overlap, are stonerish-ness, dude-liness, preppiness, and jockishness.