So, grab a pen and read on to find all the inspiration you need to take your birthday card message to the next level. What to write in a birthday card Happy birthday! Wishing you a day that's as ...

Very grateful to be this guy's child. HBD, Dad! Love ya 3000, Dad! Happy birthday to the man who taught me everything there is to know. Cheers to my favorite partner in crime.

Just a bunch of birthday wishes for your dad to make him feel special on his big day. Read on for sweet texts, funny memes, great GIFs, and even IG captions.