When you dry/hang your shirt on a wire hanger and the hanger causes the fabric to stretch out and creates a small imprint resembling a nipple on each shoulder.
That chick be sportin' shoulder nipples! That beezy best be gettin' some padded shoulders beetch!
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.