With her soaked lips wrapped around the thick plunger, Scootaloo leaned back with an intense look on her face, frogging her slippery clit as the heat induced estrus rushed her climax upon her like a speeding train. She had it in her. She had the stuff, the secret boy stuff it was in her. Just had to push it in and just– just thinking about it was making her hips explode. Sweetie Belle and Apple Bloom were watching her hopefully. Apple Bloom was watching her. Scootaloo had Apple Bloom’s boy stuff already inside her, just waiting to squirt into Scootaloo any time she ever wanted and Apple Bloom was watching her do it.
She tried to grasp the plunger clumsily as the tube jerked back and forth in her convulsing cunt. It was happening it was–! She just–. She just stared at the cake syringe embedded in her hips, watching herself orgasm, unable to do anything besides shudder there hunched forward, clutching the mat underneath her and throbbing, deep inside her inconspicuous belly, all around that hot stiff wet cylinder. She loved that cylinder. She loved Apple Bloom’s... oh Celestia she loved her cunt so much! It was doing it to her! She couldn’t stop it! She swam in pleasure, and her cunt was giving that to her again and again. Why had she been blessed with this beautiful thing inside her! She loved and she squeezed and she loved it for squeezing so amazingly.
When Scootaloo could think clearly again, she gasped raggedly, lifting her head up to look at her friends saying sadly, “I–I tried but I couldn’t move. I just... it felt so good.”
“It’s not too late!” Sweetie Belle said, “Remember the boys did it after you orgasmed too!”
“Yeah,” said Apple Bloom, “Go on, give it a shot! I’m ready for you if it don’t work.”
More than their encouragement though was the hungry itching radiating from her vagina making her fur stand on edge she was so tense. It made her want a penis so bad, just like this cylinder, but hot and fleshy and smooshy yet firm and flared. But before she could have that she had to at least give it a shot. Fillies were counting on her! So Scootaloo almost reluctantly lay a hoof on the plunger and depressed it hesitantly, making a little bit squirt in her just to feel it.
Her cunt rippled, and her wings snapped up with the need to fly as the stuff changed her in there. It was working! It felt amazing, smearing and sliming in there, warmed by the time it spent in her hot passage. She was so thirsty, her cunt needed it so bad her hind toes were curling. Almost as soon as she tested it with the plunger, her other hoof shot down, using both hooves and bearing down gravidly on the tube, squirting it inside her as fast as she could. She couldn’t have stopped if she wanted. She ached to make sure every female inch of her in there was covered in it. It was an entire colt’s ejaculate, so it had to be enough to top her out! She writhed around it, trying to squeeze so tight that it squirted out of her, pumping herself full as she could possibly be.
Scootaloo cried out wetly, as the contents of the syringe she was so forcefully pumping into herself started to spill out the edges. She arched up, tilting her hips back so that the fluid ran down her groin in all directions from there, all directions from her cunt. Her bucking cunt felt so good it was all over her she–
She felt the plunger hit the bottom of the syringe, with a twinge of almost disappointment. Almost because although she couldn’t keep pumping her vagina overfull of the stuff forever and ever... it got her. It worked. She didn’t feel even a twinge of that hot need that had followed her orgasm so dreadfully. She just felt gentle warmth between her thighs, a fluttering around the cylinder no longer needy but simply exquisite. The relief was radiating from her groin, just like when Apple Bloom really did it. Scootaloo cracked her eyes open with a smile, leaning back on her elbows the messy syringe still embedded in her hips, her legs spread wide to show them the incredible thing it had done. It worked!
“It worked!” she tried to crow to the heavens, but it only came out as an immensely relieved sigh. She just sat there, a fuzzy feeling welling up in her chest, smiling coyly at her friends who cantered forward and expressed their gladness, welcoming her for what she did to her own wet messy dribbling beautiful cunt.