Why were the Twin Towers mad? Because they ordered pizzas and they only got plain: one came late, and then went to the wrong location.
Late Delivery
Explanation
Explain Bear
Listen up, kid. 'Plain' is a pun for 'plane'. The joke is about the 9/11 attacks. You're probably the type who tries to staple water to a tree, aren't you?
United Kingdom UK
Overused ass joke