How is an optometrist like a good teacher?
They both make pupils grow!
A guy brings a dog to a bar and says he’s the smartest dog in the world.
Guy asks him: Name a character from West Side Story?
Dog: Riff Riff!
Guy asks him: What covers a building or a house?
Dog: Roof Roof!
Guy asks him: Who’s the best baseball player ever?
Dog: Ruth Ruth!
Bartender kicks them both out of the bar.
Dog: What went wrong? Should I have said Cy Young?
You know what really makes me sick?
The Flu.
Why did the toilet paper roll down the hill?
To get to the bottom.