"I’ll pump you full of my cum, Potter." Snape grunted. His grip on her hips turned bruising and he pulled her back onto his cock with each thrust, flesh hitting flesh with lewd slapping noises, even louder than before. "Leave you dripping- You’ll walk all the way back to your dorm- dripping my cum- and you’ll lie in your bed-  ahh  and- and rub your slutty cunt through your knicker  fuck, yes...  rub my cum into your cunt-"