noun. The surgical removal of a dumbass from a dumbwaiter. Or whatever.
Real citation: “It was having a routine dumbassectomy.”
(Jan. 17, 2006, The Daily Whim, http://photodude.com/2006/01/17/jason-explaining-a-server-problem)
Made-up citation: “I like to think of this election season as a long, luxurious, national dumbassectomy that we should have had years ago. It feels glorious, like a sugar-gold rainbow. I'm getting a butt massage next.”