Some people look for creative places on their body to get tattooed, so they don't end up with yet another MOM tattoo on their bicep or tribal pattern on their lower back.
For guys like these the nipple is more than just a torso accessory- it's a landmark for their tattoos to interact with.
So instead of having Where's Waldo emerging from some stinky part of the body he can just hang out behind their nipple, where he'll be safe from the Waldo hunters until his shirt comes off.
People may accuse you of being a ham for getting a tattoo around your nipple, but your new ink will show them you're actually King Ham, with the power of the mighty T-Rex guarding your pec plug!