Do We Have This One?
"Fellow dentists! As you all know, we are still having numerous reports of missing teeth from all over the country. There are also reports of missing tooth-fairy money. We believe that there can be only one logical reason for all of this: A giant half-chicken, half-squirrel!
This is a form of Insane Troll Logic
and/or Tempting Fate
, wherein a character assumes one conclusion to be the only explanation for something, and in turn, his/her "logic" revolves around this assumption.
Truth in Television
, of course, but it might be an idea to focus on fictional examples until this gets laucnhed.