"Ah, FUCK!" Yaxley yelled as she twirled her tongue around the head of his dick, kissing it as he pulled it from her mouth.  "Suck my balls, bitch.  Pull her hair," he commanded Snape, who did so, and Hermione yelled.  Snape bent down and suckled on her fingers as though he were licking them clean and she whimpered a little as Narcissa’s lips closed on one of her nipples, slender hands cupping her breast.