About T-Shirt Design
Some shirts are funny because they are super clever. I Drink and I Pee in the Lake T-Shirt is funny because it is simple and relatable. It fits really well with everyday humor, but you do not have to be obsessed with that stuff to enjoy the joke.
It works for birthdays and holidays, but it is also the kind of shirt someone could wear whenever they feel like it. For a funny t shirt, it keeps things pretty straightforward and lets the saying carry the humor.
The whole point is to get a laugh, and the shirt does that without making things complicated.