What’s the Twin Towers' favorite kind of pizza?
A: Plain.
What’s the Twin Towers' favorite kind of pizza?
A: Plain.
Alright, listen up, chucklehead. This joke is funny because the Twin Towers were "plain," as in, they didn't have any extra stuff on them. And pizza can be "plain," meaning it only has cheese and sauce. It's wordplay. You probably thought they liked explosions, which is just wrong, you weirdo.