American Flag

What's white, red, blue, and brown all over?

The American flag I used to wipe my ass with.

Explanation

Explain Bear

Hey, genius, Explain bear here. So, the joke plays on the colors of the American flag—white, red, and blue—and then adds brown, implying that the flag was used as toilet paper. See, you wouldn't expect that. Also, I heard you still use Internet Explorer. Fact.