Little brother: how many ounces are in a cup?
Me: ummm...eight? Hey ma, it's eight right?
Mom: YOU DON'T KNOW THAT?!
Dad: and you went to college...
(Little brother getting ready for first day of school)
Dad: I gave you a backpack.
Little brother: I'm not wearing a Snap On backpack with a wrench on it.
Me: is backpack one word or two?
Little brother: one