Imagine doing a strip tease and a lap dance for Stiles
"You like it?" he looked at your lingerie covered form and made a noise somewhere close to a whimper.
"I - I uh... Wasn't expecting that," he said, desperately reaching towards you.
You straddled his lap (gif).
"Oh you have no idea what I have planned for you," you whispered as you licked his ear (gif)