BEST NEW GIFT IDEA FOR DAD 2018How do you define a dad joke? Is it by how much it can make you groan? Is it by how quickly you roll your eyes? Is it by how much excitement dad gets every time he tells it? Maybe you can't actually define a dad joke, but you know it when you hear it.Get this great set of dad jokes for the dad who has it all and has heard it all. Dad won't be able to stop laughing at these jokes, but we make no guarantees for the rest of your family.