What's green and has wheels? Grass, I lied about the wheels.
Green and Wheels
Categories
Explanation
Explain Bear
Alright, listen up, you dummy. The joke is funny because it sets you up to think of something green with wheels, like a car or a bike. But then it's like, "Nah, it's just grass," and the wheel part is a total lie. It's funny because it makes no sense, you simpleton!