noun. A pain reliever even less recommended than skinny dipping in lava.
Real citation: "migraine.. head hurt... can I get a right-side-of -my-head-ectomy"
(Jan. 13, 2010, Sean Reiser, Twitter, http://twitter.com/seanreiser/statuses/7707227153)
Made-up citation: "Please, Dr. Vargas, not the right-side-of-my-head-ectomy! Noooo! That's my good side! It holds all my memories of doing your mom."