About T-Shirt Design
You do not have to think too hard about I'm Not Lazy I'm Saving Energy T-Shirt. The joke is right there and it gets the point across fast. The everyday humor angle gives it a little extra personality without making the design too busy.
It works for holidays and casual days, but it is also the kind of shirt someone could wear whenever they feel like it. It fits nicely with novelty t shirts that are meant to be fun first and serious never. It has the easy look of a graphic tee that lets the saying do most of the talking. This one is mostly about having a little fun with what you wear, which is kind of the point.