1) showing disloyalty toward a group of people, organizations, country, hood, etc. to which one belongs.
Person 1: I thought Karen was our friend but she snitched on us
Person 2: I knew she would snitch because she's hoodless and has always been hella shady
A person you hate intensely not because they deserve such hatred but because they serve as a focus for your general hatred. A healthy way to dispense with excess animosity.
Jake's not really that big an asshole. He just serves as my hate sink.