Stuck on what to say? Here’s what to write in a birthday card for a friend, coworker or that special someone in your life.

We've got all the funny and thoughtful birthday wishes for nephews you need, whether your nephew is your best pal or someone ...

These funny, heartfelt, and sentimental birthday wishes go perfectly in a card (especially when paired with a gift for your sister), in an Instagram caption, or even in an early birthday morning text.