The moment Fanny knew was etched in her unplucked eyebrows. If anyone knew a runaway erection, after all, it was Fanny.

“You like this,” she whispered with a maniacal gleam in her eye.

She couldn’t help herself. She burst into peals of laughter and rolled her muscular weight down on the unwelcome announcement.

Even the dirt and the hit didn’t stop her hyena-like laughter, falling back and clutching her face as she wheezed for breath.

“Dirty boy!” she shouted at his retreating form through laughs. “Dirty! -haha, ha- Boy!”