noun. This is how stupid happens, one corpus callosum at a time.
Related terms: dumbassification.
Real citation: "I'm well aware of the insidious process of braindeadification Ender."
(Hewitt, Nov. 10, 2004, http://184.108.40.206/search?q=cache:Fk-AYJYA2QAJ:www.brainwar.ath.cx/community/comments.php%3FDiscussionID%3D16%26page%3D3+braindeadification&hl=en&gl=us&ct=clnk&cd=2)
Made-up citation: "Whether you call it edumacation or braindeadification, high school pretty much sucks, according to a renowned professor of education."