Top Definition
The over stimulation of a pre-pubescent cock by a purple dinosaur's teeth resulting in a total area of effect bruise.
Jimmy came home one night crying telling me that it hurt to pee. I wanted him to go see a doctor and the doctor told me "Mother of God... I'm sorry... but your son has a Blue Barney. There is simply nothing we can do."

Barney the dinosaur is wanted by Interpol and is a main focus of the American and British authorities. He is the sole perpetrator of the infamous Blue Barney.
by I LOVE Barney November 10, 2013

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