Yup, it can creep up out of nowhere and smack you in the mouth - after too many Birthdays, you're actually older than your tooth doctor! Still, another Birthday is nothing for your friends, relatives and colleagues to grit their teeth over - when you can lift their spirits and open their mouths up with laughter and delight using the hysterically captioned, attractively illustrated Happy Birthday joke card available here. Yes, they may be getting long in the tooth, perhaps gumming their food, but those aged ones you know turning yet another year older still deserve to grin and joyfully bear their latest Birthday, thanks to your smiling thoughtfulness in gifting them this funny and fabulous greeting.