Plugged and struggling

Mike didn't show any response. Either he hadn't heard the gurgling and rumbling in Lisa's guts. Or he simply didn't care. He just kept on pressing the giant thermometer into the girl's bowels. Every five seconds he gave the intruder a mighty push. Every time Lisa grimaced, her eyes wide, grunting and howling. Then whimpering until the next half inch of steel disappeaered between the shaky cheeks of her butt. OoooooouuuuuuuAAAAAAAAArrghhh, her cries of pain became less and less girlish. Six inches were inside her butt now. The sight of Lisa's body on the table, her legs pointing to the ceiling, a metallic shaft protruding from her anus, her butthole stretched to the extent of an average-sized apple - it was incredibly sexy. And horribly painful for Lisa.

"Get of the table", Mike suddenly ordered in a sharp voice. Once again, an idea had crossed his mind, a way he could make the insertion both more painful and efficient. "Please, I really, really need to go now! My stomach hurts", Lisa wailed. The pressure in her bowels was hardly bearable now. Every now and then she felt its contents sinking lower, pushing further down until they met the thermomter's tip. The foreign object blocked the way. Her anal passage was so tight, there was absolutely no chance for solids, liquids or even gas to escape. Thus, Lisa suffered from flatulence like never before, her belly was bloated and hurt. Hardly conscious of her movements, she started to climb of the table. "Don't you dare to lose your thermometer, sweetie", Mike said,"or I will shove it up your ass until I can't see it anymore!"

Her ass cheeks clenched around the horrible object, Lisa' feet touched the floor. Carefully, she definitely didn't want to sit on the shaft and **** it any further up her butt. If she had known what Mike had in store for her a few seconds later ... She even used her hand to keep the thermometer inside her, afraid Mike might realise his threat. As her hands trembled, she **** the shaft up her butt in a different angle, which made her squirm. Lisa also touched the - now deformed - ring of her butthole and realized how unnaturally large and gaping it had become. Her once virginal and unspoilt poop chute now resembled the yawning abyss of a drain pipe rather than a cute girl's rectal orifice. She almost collapsed in tears and shame.

"You will now do exactly as I say", Mike said. "Squat down as if you were taking a piss in the bushes. Place the thermometer vertical, otherwise you will hurt yourself more than we intended. Time for your butt to get ravaged!" Lisa swallowed. He wants me to impale myself, that's what it means, isn't it? Nervously she bent her knees and lowered her butt. Slowly. She gasped more terrified than in pain when the thermometer's handle touched the floor with a silent click. Tears ran down her face. There was so much of the cruel thing still sticking out. She didn't dare to lower her ass further in fear of the pain it might cause. "Go on, girl", Jeff urged her. "I can't! It hurts too much", Lisa pleaded. In an effort to show her discomfort she spread her butt cheeks with her hands, trying to open up a little. She sank lower but only a millimetre then she stopped. "It won't go any further, leave me be!"

Mike lost patience. He grabbed the girl by her sholders. "Jeff hold the thermometre vertical." Then he pressed Lisa down. Two sounds at once: Lisa's loudest scream of the day rang through the room. In one quick motion her own body weight had **** the thermometre inside her. Amost entirely. Further than it was intended with horses. Even two thirds of the handle were buried up her ass. She had quite literally been impaled by a rectal thermometer. The other sound was like shoes squishing in the mud. The intruder had now reached the largest part of the semi-liquid bowel contents forcing them to move aside and back into Lisa's guts. Something stirred inside her. The girl felt like she had pooped backwards. She felt sick. Her rectum screamed in pain throbbing and convulsing around the shaft. The rumbling inside her intestines was louder than ever before. "Pull it out, pull it ooooouuuuut, I'm full, full fuuull!"

"Wait my dear, almost done. We wanted to take your temperature, right", Mike said almost magnanimously. Lisa was now on her back again, her legs spread. The metal handle that showed out of her butt looked almost small. An onlooker, who didn't know that eight inches of stainless steel were up Lisa's ass ploughing through her poop, might have mistaken it for the first butt plug of a teenage girl who wanted to know what anal feels like. "OK, my dear Lisa", Mike said, his voice dripping of malevolence, "let´s go to the bathroom."

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Feel free to write alternative storylines! I'm very curious what you think Lisa's experience might be like and how the story could go on.