It may conjure images of Family Matters' bespectacled, suspenders-clad Steve Urkel. Or the theoretical physicist Sheldon Cooper from The Big Bang Theory. Or Scooby-Doo's Velma. Or you may ...

Comedian Andy Kindler used to do a bit in his act about hack comics who can’t be bothered to consider whether the premise of their jokes might be wrong. The example he gave was of a comic saying, “I ...