Noun - the inability to distinguish which voice belongs to what person on a radio show, only alleviated by television commercials showing the faces behind the voices
R - Wait, one of the guys on the radio just talked about slamming the door in the face of a poor immigrant on Halloween. Which person was it so I can direct my anger accordingly?
D - I can't tell. I know they have distinct personality, but I cannot tell the difference between them. It's total deanandrogyny.
R - I know the girl's name is Suzi, but once the other girl gets on, I forget which is which.
D - Total deanandrogyny.
R - Which one of us just said that?