"Rats." - the LintKing
"Rats?" I paused. "Was that `wererats,' or `Rats, I don't know?'"
"Wererats. I've never been aware of a 'were-shuckydarn.'"
Or the Shi'ir coincidence:
"I went to this orgy, and it was SO embarrassing...everyone had on the same thing: a birthday suit!"