It's amazing what people can come up with if given a lot of free time and a dash of creativity. The Internet never seizes to come up with those 'so stupid but utterly fun' concepts.
These upside down faces are a good example of such goofy art. Simply take a picture of your face upside down, with your chin acting as a head. Get creative with the eyes, hair (or lack thereof) and other accessories.
Don't expect your artwork to be displayed at the Louvre though.
Got some time? here are some ideas:
Silly Photography Tricks
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Zombified Alcohol Kits
Customizable Chat Bots
Old-Fashioned Confection Packaging
Ghoulish Burger Menus
Crumbling Beauty Murals