Japan's Yakuza have been known for their full body tattoos. During initiation, men receive intricate tattoos that can often take more than two years to complete from start to finish.
"Irezumi" is the art of tattooing in Japan. The word means "insertion of ink." Irezumi can be used either as an adjective or a noun, and can be used to refer to a tattoo artist, the person who gets the tattoo, or the actual design