The killing of an thought or idea by either proving that there is no possibility of it being true, making people lose belief in the idea or by making the idea fade into obscurity never to be thought of again.
by TiredFeather September 2, 2021
having an idea or thought that you can't get out of your head. you keep thinking about it until it ultimately kills you. this is cognicide.
by cullingsong November 13, 2010