The inability to identify the gender of the short-haired, slightly masculine female
ahead of you in line, or, conversely, the inability to guess the gender of the long-haired, beardless male stoner checking out the bong selection.
Trey: "Blaise, look; that guy's got boobs!"
Blaise: "Uhm...that's not a guy."
Liam: Laughing, "Second case of genderplex, today, dude."