When you are an unfortunate user of an installation of Windows Vista that just doesn't like to function properly. The daily hassle of rebooting and trying to get other software to work with Vista leaves you with an ass-raped feeling.
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.