1. (N) The "Blue Eagle" is an extremely hideous facial phrase which is used to express disgust, disdain, frustration or any other general sense of repudiation or angst. This facial expression had been popularized because of the Muppet Show character Sam, that is by no coincidence, a blue eagle. Multipurpose and easy to utilize in any scenario, the Blue Eagle is without question a look you will not want to get. Usually, those who see/receive the Blue Eagle also experience thoughts of shame and chastisement. 2. (V) The work of employing this facial appearance as a way of expressing disapproval for one's activities or behavior. Usually familiar with explain a scenario where blue eagle ended up being used and for what purpose.