Its a turkey stuffed with a smaller turkey. Known from episode 10 season 6 of How i Met Your Mother called Blitzgiving
Ted: Instead of stuffing i'm gonna fill the turkey with a slightly smaller turkey. Its called ''The Turturkeykey''.
Lilly: The Turturkeykey?
Robin: I was there at the insertion. He used shoe horns. I'll be having sides.
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.