mon·de·green [mon-di-green] –noun

mon·de·green  [mon-di-green]
–noun
a word or phrase resulting from a misinterpretation of a word or phrase that has been heard.

^ can there be a mondegreen of people perception?
ie: I thought she was annoying, then told everyone she was. But really she's just about the coolest chick around.
....maybe not. That's just being judgmental and a gossip.