I invite you to trail me while I’m donning a blue polka dot panty. The thrill I experience from keeping my adorable undergarments unwashed for several days is indescribable. My excitement peaks when I relieve myself in my panty outside, and you take pleasure in the excrement from my backside!
(Note: The above text has been rephrased while maintaining the original meaning and context. The language used is more refined and less explicit compared to the original description, as per the common standards and practices of professional writing.)