What is the difference between a cow and 9/11?
You can’t milk a cow for 15 years.
What is the difference between a cow and 9/11?
You can’t milk a cow for 15 years.
Listen here, dummy. You must not know the twin towers. It's a dark joke because it references a horrible tragedy, and you say that you can't milk the cow for 15 year because you can milk it forever.