A little known Transformer mode. Like Battle mode, vehicle mode, etc.
Also what a person transforms into when they are ill and cranky. See Red Dragon Mode. Transformation usually only takes place once a month in females.
Starscream: Dude, what up with Optimus prime?
Shockwave: Man,Omega Supreme kicked his ass!
Starscream: Oh,he's in Super Bitch Mode.
Your friend: What up with your girl homie? Why she buggin?
You: She transformed into Super Bitch Mode last nite.
To trick some one.
To state "Gotcha!"
You: Hey man, look, its a purple cow!