\"Blue\" often represents loyalty or faithfulness. \"Bleed blue\" is a commonly used phrase to express strong loyalty or support for something, such as a sports team or organization.

When blood is described as blue it is usually a reference to purity or belonging or being proper.

\"bleed blue\" is just a fancy way of saying you\'re a die-hard fan of something, usually a sports team or a cause. It\'s like saying you\'re so committed, you bleed the team\'s colors. But don\'t worry, it\'s just an expression - no actual bleeding required!