What is black and white and grinds up and down, up and down?
A nun churning butter!
What is black and white and screams 'YES!
YES!
YES!'?
A nun winning at BINGO!
What is black and white and pink and hard?
A nun stopping, lifting her habit up to her shins, and scratching her ankle bone!
Next Joke: What do you call an alabama farmer with a sheep under each arm