Bat Credit Card
Reference made by the Nostalgia Critic when reviewing the Batman and Robin movie when Batman pulled out a credit card with the Batman symbol on it. The mere mention of the Bat Credit card will get the Nostalgia Critic to go into a rage while shooting a pistol randomly.
A BAT CREDIT CARD?! I'LL KILL YA!! I'LL KILL YA!! *bang bang bang bang*