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!
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi