This was enough to make Michael spit out a chunk of Cabot Vermont Cheddar. (He says munching on it makes him feel smart. So there ya go.)
"Pp-p-pp-t-tt-tooey! Charlie Sheen? What th'...?"
"I'm guessing this is in response to Mr. Rogers," said Clark, guessing correctly.
"Does it say anything on the reverse?" I enquired.
"Oh myyy," said Michael, flipping the card.
WARNING: What follows is probably NSFW, so we've censored it as much as possible without totally obscuring it.
"Wait just a second! Great Scott! Hokey smokes, Bullwinkle!" cried Clark. "I think this may be a clue!"
"Oh yeah, in what way?" I asked.
"Well, you should know, Jeff. It's something that happened in your homeland. I read about it on the wire last week!"
"This lady had graffiti spray painted on her outside wall that did not look too dissimilar to this one. Only in her case, there was a message accompanying it.
"What was the message?" Michael and I said.
"Wait, I'll pull it up on the screen. Ah, here it is."
Here's the link for you folks. http://www.mirror.co.uk/news/uk-news/vandals-spray-obscene-graffiti-womans-10135867
"Y'know, the phrase 'big black cook' may not be a misspelling. It's entirely possible it may be in code!"
We immediately set to with various methods of codebreaking, and after 15 minutes Michael figured out that it was an anagram of "GO KICK A BLOB,C?"
Could it be...