About T-Shirt Design
A shirt does not need a giant explanation to be funny, and Believe Christmas Trendy T Shirt proves that. Fans of Christmas will probably get the joke first, but it is simple enough for almost anyone to understand.
You could wear it for holiday events, bring it out for gift exchanges, or just keep it in the normal shirt rotation. People who buy t shirts for the joke as much as the shirt itself will probably get what this design is going for. The design is easy to get, easy to gift, and easy to wear without overthinking it.