I thought the nazis tried this on the Jews

and phailed?

http://www.nypost.com/seven/07312007/entertainment/health/dont_turn_blind_eye_to_eye_tattoo_risks_health_dr__rock_positano.htm

US tattoo artists >> trained Nazi medical doctors?

I'm wondering how this is even possible.  Isn't the cornea very thin?  What would happen to contamination of the humours (last I checked wikipedia, they are regulated by some cells, so I would imagine whatever inks entered would eventually get filtered out)?

The word pirahna, is all I can think of that rhymes with marijuana

Marijuana MUST be legalized.