Usually accompanied by a dramatic exit not without dark muttering and an inevitable door slam. Can sometimes result in thatperson not speaking to the addressed people for a few days, but inevitably this does not last long as the said personusuallytries to make his way back into the party by downplaying the severity of the hissy fit.
-"Hey guys what are you doing?"
-"Fuck you all!"
The action of swirling one's cape in dramatic fashion right before an announced exit, but doesn't necessarily require the actual presence of a cape to achieve the intended effect (see awkward arm swing but followed with an exit stage left and dramatic music). Usually preceded by a declaration of intent, ("Come dobby, we're leaving") and followed by an evil laugh.
Usually reserved for villains, but can also refer to would-be heroes who just want to look cool. The real utility of a cape, because let's face it, capes do nothing except make you look cool. Often results in the opposite effect.
Cartman from South Park: "Screw you guys, I'm going home..." (queue cape flourish)
An unwanted substitute for big-boy curse words that has made its way into your vocabulary strictly because some kid who had his mouth washed out at an early age says it unceasingly. Oftencomes to replace, and completely eliminate the use of more powerful, and ultimately more satisfactory words. Can also result in making you sound like an elementary school kid trying to act tough.