Papa Winchester/Jo - she looks just like Mary and he's drunk at the bar. He knows she's underage. He knows it's bad and wrong, but she's not saying no. In fact, she's got him by the hand and she's not letting go.
Dean/Jo - because they get possessed by two demon lovers and get taken along for a very hot ride. Then afterwards they can't pretend like it wasn't awesome. Well, Dean can't.
Faithfullyverse - Annie's client Randall Lithgow is a schizophrenic whose voices tell the truth. He calls her one night and warns her to get out of the house with her kids and in doing so saves them from being attacked by Meg and human minions.
crack!fic John/Jo - Jo is madly wildly must have some crazy crack fic romance with John... but it's because she imprinted dot dot dot ON DEAN. Sucks for SIR to get dumped like that.