There is probably some romantic symbolism behind the gesture made by this individual. I imagine that it is a loving tribute to the mate he hopes to spent all eternity with. At least I hope so. If not, he'll have to be reminded of her every time somebody asks, "Dude what is that weird thing on your hand?"
Dr. Ramsey: Nurse Lane, is the patient recovering after the surgery?
Nurse Lane: Yes, doctor he's doing fine.
Dr. Ramsey: Great. Let's go have a bite to eat. I'm starving!
Nurse Lane: But Doctor, didn't you eat that donut I left in the operating room?
Dr. Ramsey: Um... oops!
Remember when tattooing the word "mother" on your arm was considered a bold move? This young man probably doesn't. He probably belongs to a very different world with a very different attitude about what is permissible to do with your body. Or maybe those lumps just say "Mother" in braille.