These funny birthday jokes will make their big day that much more special. ... Why does a joke become a dad joke on its 18th birthday? Because that's when it's fully groan.

When you can’t read this birthday joke because the font is too small. I’m not saying you’re old, but your birth certificate is in hieroglyphics. Hey, if we don’t laugh, we’ll cry!

If you ask us, laughter is truly the best birthday gift. That's why we've written up the best birthday jokes that will give anyone a giggle. These jokes for kids and adults alike might be a little ...