demoitis 

What happens when you listen to one version of something so much that when it’s properly recorded it’s difficult to accept.

(Source: http://www.matthewgood.org/2009/02/this-and-that/)

Steve: "I've been listening to the demo version of that song for months -- and now that I've heard the finalized recording ... it just doesn't sound right at all."

Matt: "Sounds like you've got a case of demoitis"

demoitis by [matt good] February 17, 2009

demoitus 

The act of liking and chosing the thing you are exposed to first just for the fact that it was first not because it was better.

even though the second demo sounded better, they still chose the first demo song because of demoitus. they simply can't get over what they were exposed to first.

demoitus by eazy-x January 31, 2008