Pinkie Pie Needs a Hand

Pinkie Pie Needs a Hand by Anon The Writeslut AKA Writeslut The Anon.
Note that "BREAK" signifies where the document was originally separated for 4chan.
Done as practice.

Rainbow Dash could only stare at the incredible pink globes that made up Pinkie's rump
>"Aaah! Rainbow! I dropped the pumpbutI'msocloseandyougottahelpme!"
Pinkie bounced up and down on her swollen cheeks, trying to rub herself just a little more, and nearly causing Dash to pop a blood vessel.
Luckily something else decided to pop (out)...
>*Pomf*
>"Dashiiiie, please hurry. Ahhhn!"
Rainbow Dash was off in a flash, and even quicker to remove her clothes. She took hold of the mighty plunger, pulled up, and...
>"MMMF <3 !"
BREAK

Pinkie squealed, quivering as her rear swelled the slightest bit. She moaned as the newly added air sent jiggles throughout her ass, but she still wasn't done, nowhere near in fact.
>"Daaahashie, moooreee"
Fortunately Rainbow was nowhere near done either, So she started pumping continually, with the goal of filling the titanic ass of Pinkie Pie to it's very limits...
Every pump of air was bliss to Pinkie, each one sending her closer and closer to both the ultimate climax, and her very limits. Past this point she wasn't even able to moan, as she was gasping for air between each pulse.
Dash smirked,
>"Enjoying yourself, ya big pink airbag?"
Pinkie tried to speak, but found herself without breath. Rainbow huffed.
BREAK

>"Pinkie?"
More gasping. Rainbow slowed. Maybe it was time for a break.
Rainbow took the time to admire the fruits of her efforts. Peering around Pinkie's looming tush, Rainbow spied Pinkie's mostly obscured upper half.
>"Hey Pinkie?"
>"Ahhh, haaah, yes, haaah, Dashie?"
>"Are ya doing alright?"
Pinkie grumped. She was certainly not doing alright! She was bigger than ever before, and still hadn't reached her climax! However her breasts had ballooned up to the size of a bunch of jumbo-punch-balloons. She rubbed at them, giggling and moaning as they made those tight, full creaking noises that set her off so well...
>"PINKIE!"
Startled out of her lust induced stupor, Pinkie turned to reply to Rainbow, but that still didn't stop her from caressing those squeaky funbags.
Pinkie looked a little sad as she answered Rainbow.
>"It's not working Rainbow Dash! I'm so full, but so close and at this rate, I'm gonna pop before I hit the jackpot!"
>"I'll say. Ya look about ready to bust, so I promise ya I won't pop ya before ya get there."
>"Thanks, Rainbow."
BREAK

Rainbow frowned despite the gratude. No friend should ever leave a friend hanging, but Rainbow couldn't think of any way to help her friend and she was just so tired...
Rainbow leaned into the cheek, intent on catching her own breath, her hand sinking into the taut pink flesh.
>*creaaaaak...*
Pinkie moaned, squeezed her tight round breasts, And then had the best idea ever.
>"Mmmmf... Rainbow!"
>"Huh?"
>"What do you do when you're done blowing up a balloon?"
>"Uhhh... You... Hang it up?
Pinkie huffed, and mushed her enourmouse breasts together to demostrate, elicting loud squeaks.
>"Well I suppose that makes sense, but what I really meant is that you play with them, silly!"
Dash got the message immediately. She put both hands on the huge pink rump and pushed.
>"Oooh"
Pinkie felt the buzz return, but it wasn't enough.
BREAK

Pinkie was getting a little impatient, it was too slow, too soft, too careful.
>"Rainbow! You're being too gentle! HARDER!"
>Rainbow switched from pushing to spanking the fragile balloon.
>*WHAP* "YES!"
>*WHAP* "HARDER!"
This went on for hours, with the mile wide rump getting redder and redder as Dash slapped harder and harder. Pinkie could only gasp, moan, wail and rub her tender breasts as her whole body shook with the force of each blow, and the shuddering arousal she experienced. She creaked and groaned, her strained hide barely able to take the abuse.
BREAK

Pinkie found herself at the metaphorical gates of heaven, taking step after step with each impact Rainbow Dash delivered upon her glorious rear-end.
But Rainbow Dash had become tired, her slaps becoming slower and softer, until it wasn't even worth it.
>"Dashie, cmon' just a little more..."
>"Haah, haah, I can't Pinkie, I'm worn out..."
Pinkie was panicking, saddened by the prospect of losing the buildup that had taken a whole day to amass, she began to sniffle, shedding a tear. As soon as it hit her lips, her eyes lit up. Another idea.
>"Oh Rainbow Daaaaaaash!"
BREAK

>"Tell me the places you can find salty secretions on a mares body."
Rainbow Dash was a little confused by the words of her bloated buddy.
>"Uh, sure, we got the eyes, the skin, the vagi-oh."
Rainbow Dash slowly grinned, as did Pinkie. Rainbow Dash quickly located it and gawked.
It was enormous, a foot long, and so puffy. It leaked like a cracked dam and seemed to be made of the thinnest elastic around. It looked so fragile, just sitting there making noises like a full balloon…
Rainbow Dash was going to hit is as hard as she could.
BREAK

Rearing back, she poured all of her remaining strength into that spank.
And then it connected.
At first Pinkie said nothing.
The Rainbow noticed the huge cooch quivering...
>*creaaaaaaaaaaaaaaak*
Rainbow Dash decided that it was time to move.
Only just as Rainbow Dash had taken cover under the room-sized booty and covered her ears, did the ear piercing squeal erupt from Pinkie, along with... other stuff.
>"Job well done, Rainbow Dash, you've done it again!"
Dash took a look at Pinkie's legs, they were shaking like crazy. Rainbow concluded that it was one hell of an orgasm and started towards her clothes. She had weather duty after all.
Then Pinkie's legs gave out, and she slumped to the floor with a wavy smile on her face. Unfortunately Dash was now trapped between a floor and a balloon. She struggled a bit, but found no way to escape her bouncy butt captor. Sighing, she decided she would make the best of it.
Then Dash remembered her promise to Pinkie.
Fortunately, she could still reach the air pump...