When someone is invited to, stays in, or is generally associated with the HDog friend group or groupchat for longperiods of time. Usually have lost all sense of reasoning, language, and mental stability.
Person A: "OOGA OOGA RAH *Ramble noises*
Person B: "Ah shit, he's HDog molded. Let's get outta here!"
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.