Author's Notes:

The previous five chapters were criticized for being too repetitive and not having enough detail. While I'm still not too good on the detail part (or else am too shy to put more detail), I can think of a different scenario, one where she puts herself in the situation. I apologize if the quality is lacking, but here I do something different. And would you know it - a third Rainbow Dash chapter, since demand for her seems pretty high.

Also, I know there's many variations of watersports, but this specific one is my preference and is rare, because I'm sure the others have all been done here. This entire fic is just to satisfy those who want to see this variation of it but can't.

"You don't have to do that, Dashie," said Pinkie Pie. "I've forgiven you, and it was kind of funny."

Rainbow Dash blushed a little. "Well, wouldn't it be funnier to do it to me?"

"That was your revenge, remember?"

"Well, you gave me a cider when there were still plenty of barrels left. I owe you one."

"If you say so."

Rainbow Dash was wearing her Equestria Games outfit. She had drank a lot of water earlier, and as soon as she had begun to feel its effects, she had grabbed a raincloud, raced over to Pinkie Pie as fast as she could, and asked her to tickle her until she wet herself. She told her she wanted her to have her revenge for what she did after the cider incident, but what she really wanted was to know what it was like to pee herself from laughing too hard. She couldn't think of any excuses for Applejack or Fluttershy, besides, she wasn't sure Fluttershy could do such a thing.

"Remember," said Rainbow Dash, "no matter how often I tell you to stop, don't." She laid down on her back.

Pinkie Pie started tickling Rainbow Dash's sides with her hooves. Rainbow Dash started laughing hard. "HAHAHAHAHAHAHA!"

Rainbow decided to try to hold it in for as long as she could. Pinkie tickled harder, and began tickling her hooves with her tail.

"HAHAHAHAHAHA! PINKIE STOP! I'M GONNA PEE! HAHAHAHAHAHA!"

But Pinkie knew this was what Rainbow wanted, so she tickled harder. Rainbow laughed harder, and within seconds she felt her shorts grow warm and wet. She didn't stop laughing as a puddle grew under her. Pinkie giggled a bit and kept tickling away. Rainbow loved every second of it.

After Rainbow finished wetting herself, Pinkie kept tickling for about 10 more seconds before she stopped. Rainbow sat up, out of breath. "That was awesome! Thanks Pinkie!" Pinkie tilted her head, and Rainbow blushed. "I mean, now we're even."

Pinkie chuckled to herself as Rainbow showered off under the raincloud. She knew Rainbow had enjoyed it a great deal, and she didn't mind. She Pinkie Promised to herself to never tell another living soul.