I strongly recommend you look on this site, you will find many insults adn jokes of all sorts.
When do direct debits leave the bank?
How long does a bank wire transfer take?
Policy and promoting bank(marketing) has the most of the insults according to me.
for example when a policy guy for a bank comes people usually shut the door on his face. this is one of the common insult that can be seen.
How long does it takes for a international bank wire transfer?
Should I use Bank of America or Wachovia?
which banks does not charge monthly fees?
Can I start bank account without my parent?