Rachel's panties don't fit

Rachel growled. She tugged her panties again, but could not get them over her ass.

"Oh... damn!" She groaned. "When did it get so big?!"

She looked back over her shoulder. It was true: her butt had always been big. From working out, and a little too much ice cream, it had grown more and more. Now, it was so huge, she couldn't get her underwear on! She knew big butts were considered sexy, but hers had clearly gotten out of hand!

"This sucks!" She groaned. "Why did you get so big I can't even wear panties?!"

Rachel was address her ass, which she smacked playfully, acting as though disciplining her butt would make it any smaller. Really, it wasn't the end of the world. So she would have to buy some new panties, so what? For today, she'd just have to commando! So, she slipped oh her shorts, which felt extremely intimate over her naked crotch, and walked out the door...