A happy birthday meme makes birthdays better for an individual. A birthday meme is often delivered in a picture format, involving a comical photo with a line of text above or below the photo. Most people will laugh at seeing a birthday meme or cry, but please try and avoid the latter. A birthday meme will often be added to a birthday card or sent as a message.
There are many websites online which offer endless free birthday memes or you can create one yourself. If you make a birthday meme yourself, it will be unique to the individual receiving the meme and most likely the person will find it funnier. However, if you use one already online, which has been published. The individual being given the meme may have already have seen the meme. I’d recommend on making a happy birthday meme and making unique to the person receiving the meme.