I Can Has ROFL Nyao? Or, The ROTFLMAO of the Catgirl

[Jorlem]

"Twilight," said Rarity, "I don't mean to point out the
obvious, but that door was enchanted by Princess Celestia, was it not?
You're quite formidable yourself, but how are you proposing to break
through a barrier conjured by the Goddess of the sun?"
"Oh, I'm not trying to break through the door with magic!" Twilight called back, "I'm just trying to contain the explosion!"
"... uh, what explosion?" Asked Soarin' very quietly.
"The one I'm about to set off by fusing these hydrogen atoms together!" Twilight answered cheerfully.
The Doctor's jaw hit the floor.
"What," said Applejack.

From a fic by AJT.

... Please link. I must read this.

It's from chapter ten of Beating the Heat. Be warned, it is borderline NSFW. Here's a link to chapter 1.
http://fanfiction.net/s/7545374/1/Beating_the_Heat
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Stand between the Silver Crystal and the Golden Sea.
"Youngsters these days just have no appreciation for the magnificence of the legendary cucumber."  --Krityan Elder, Tales of Vesperia.