" Well shake it up, baby, now," he began to sing, but before he could any further, he was interrupted by the roar of an engine that nearly had him jumping out of his shoes. He stopped abruptly and turned on his heels, his eyes first meeting a wheel, and the further they traveled up, the more he recognized. It was a motorcycle, the color dark, but he also recognized who was on it. His eyes continued up, and he stopped when he reached the face, and even in the dull light of the street lamp he could see the green eyes of Dean Winchester. "

― , Twist and Shout