Idioms and phrases when interpreted literally.There are many idiom, phrases and words in English language when they are taken or interpreted literally they become funny. Many times those who have not heard of these words or idioms they unable to understand the real figurative meaning and can question it in return that makes it funny.
1. If opportunity doesn't knock on your door, build a door.
Counter reply: I am not a carpenter!
2. To let the cat out of the bag.
Counter reply: Why did you catch a cat in the first place?
3. Plant and machinery is needed to build a product.
Counter question: Machinery is fine but why plant?
Do members know of any such words or idioms that can be interpreted in another way that they become amusing. They can add them here to amuse all a little.