The anger when one adult in the household is doing dishes while another, who could be helping, isn't. Perhaps they're playing a video game, lying in bed, watching TV, or doing nothing that prevents them from helping with those dishes.
I thought I was going to break something on purpose when I was doing the Angry Dishes last night. Why couldn't she get up off the couch and help?
The seemingly pointless use of proprietary hardware to achieve the same purpose as other more common or open-standard solutions.
The Apple Display Connector was a proprietarded way for Apple to make the G4 Cube not have so many cables going from the computer to the display and keyboard. It combined USB, power and video into one cable.