Given the use of pets names and maiden names as common authentication tokens for money, that it is a kind of weird joke to start with and that it doesn't really

Given the use of pets names and maiden names as common authentication tokens for money, that it is a kind of weird joke to start with and that it doesn't really have a punchline and can easily fall flat, it stinks of grifter patter. Though it isn't as bad as; 'You can't cheat an honest man'. You hear someone saying that, you start counting your fingers before you shake hands and check them again as soon as your done.