Enter: Birthday jokes. A simple “happy birthday!” often doesn’t cut it, whether via text message, email or handwritten card.

Kids and adults will be entertained by these dad jokes, knock-knocks and corny one-liners that are seriously hilarious.

Growing up, my birthday quickly became the butt of classmates' jokes. After all, I didn't have an actual birthday for most years of my life. My leap age was a math problem for classmates eager to ...