Xnopyt

Insert obligatory "If you accept the definition that a word is some letters, surrounded by a gap, then. . ." here

Used to describe the action of disintegrating rapidly at the thought of something.

Mike, having a mental break down over something minorly inconvenient: "Oh my fucking god oh myfucking-"
Sean, concerned: "Mike what the hell is going on?!"
"I'm going to fucking xnopyt-" Mike then immediately disintegrates upon uttering the word "Xnopyt"