Arnold clenches

Just as Charlie was about to insert her finger, Arnold desperately clenched his butt cheeks shut. “Uh oh,” Charlie said. “Look like someone’s being naughty.”

Debra glared and gave Arnold a harsh smack against his bare bottom. Arnold yelped as the class laughed. Arnold unclenched his cheeks and Charlie inserted her finger inside digging deep as she moved her finger all the way in until she couldn’t anymore. Arnold groaned and grunted in response as he felt Charlie’s finger inside, wiggling around. Charlie grinned as she watched Arnold grimace and grunt. She felt around a little bit more but still nothing was found. “It feels normal,” Charlie said. “I think.”

She removed her finger and Debra inserted her finger next which was a bit of a fatter finger which caused Arnold’s cheeks to spread further apart. Debra nodded. “You’re right. It is normal. Which means it’s not constipation or a rectal issue. Any other idea, Charlie?”

Charlie grinned having a cruel idea. “Well…”