The December 14th prompt, as assigned by Alosha135: "ashes"
Mr. Holmes had requested that he clean out Mrs. Hudson's chimney in the kitchen as long as he was in the neighborhood. So, Wiggins had agreed, though he was a bit confused at the apparent twinkle in his guardian's eyes. Certainly, he'd looked a bit flushed and out of breath when he'd mounted the stairs, and yes, he'd looked a bit disheveled. But that didn't mean anything other than he'd been in a hurry… right?
He should have known that Mr. Holmes would have been able to figure out his appearance in a heartbeat. And his suspicions were confirmed as he opened the door to go downstairs, and Mr. Holmes called out, "Miss Dyers is a very handsome woman."
Wiggins had looked back incredulously at Mr. Holmes, shaking his head and staring in embarrassment. "Who, sir?"
And Mr. Holmes, in his infinite wisdom, had given such a smirk as he'd lit his pipe…
He climbed up on the roof with all of his tools, and began to stick his spiky brush down the chimney. He scrubbed for a long moment before a terrible thought occurred to him… They're still in the kitchen!
And the more-than-slightly ash-covered shrieks from below him confirmed that. Mr. Holmes!