Every kitty does this. Tons of edible material in the bowl is not good enough. So they seek you out, act like you're their best friend for 20 minutes.. Then you realize "ahh, must be out of food." Refill not completely full bowl. There you go. Repeat...
Apparently. It looks like a wicked tattoo, but according to the thread, the guy who posted it claims he found it on his Facebook page, and is the result of a torn pec.