Retirement is not as easy as you think, especially with little kids, and this funny grandpa t-shirt will be perfect to show it with humor. Wearing this funny grandpa t-shirts will help you create the best moments of joy in your family! Your grandfather will finally be able to say he's not retired, since his job is to be a professional grandfather. Send a smile of joy on anyone's face when you present him with one of these funny grandpa t-shirts. If your grandfather is also funny, this is the perfect garment, as it will make everyone around him laugh.