Tiffany's second wish was granted to the closest person to her. In this case, that was Biff. And when she made the wish, he was looking straight at her.
Suddenly, something weird was going on under Tiffany's skirt. And after only a few seconds, she saw a bulge form. As she freaked out at the sight of it, Biff walked over to her and pulled her skirt and panties down, exposing the erect cock that wasn't there before.
Then he knelt down and began to suck it.
"Oh my god, Tiffany!" Sarah yelled. "You've got a cock!"
Tiffany didn't say anything. She couldn't say anything. Partly because of the shock, but also because of the pleasure. Yes, she was definitely freaking out about this, but it felt so good when Biff was licking her. Part of her wanted it to stop, but another part of her wanted it keep going.
And that's exactly what happened. Biff didn't stop until she had an erection, and that wasn't for another two hours at least.
