Happy Birthday, son. I would give you advice, but you already know everything. a funny birthday card for son who insists he knows everything already

This funny birthday card for son leans into the classic joke: advice would be nice, but he already knows everything. Add your own line, choose a cheeky design, and send it in seconds. If you want more variety, try a moving birthday poem for your son, browse happy birthday son images, or share a playful birthday GIF for son.