[ WP ] Describe a household object in a way that keeps the reader puzzled until you reveal what it is . The second time they read it , everything should fall into place .

Silently, I drift along, quieter than any mouse. The very air you breath is my weapon, my vector, my highway, to assault you, and there is no defense. I come at any hour of the day or night, in more than half the houses in America. There in your home, lurking, waiting to burst free and wreak havoc! 
 
 You ca n't see me coming, and by the time you notice me, it's too late! 
 
 You're caught in a vile, horror-inducing panic, your arms flailing about and your face screwed up in a visage of pain and disgust. `` Aggghh! What! Again?! ``, you wail in your agony, sometimes running from the room, returning with aerosol chemicals that, too late, sometimes work to alleviate the overload. 
 
 But my source, He, who produces me, lays there unaware that he's'done it again', sometimes even while sleeping. He looks at you, now with his big puppy eyes as only he can, his tail thumping happily against the floor, and you swear,... 
 
 `` Damned dog farts are the worst!'' 

