Charlie Sheen -- The Most Painful Tribute EVER

Charlie Sheen's incoherent ramblings have finally left their bloody mark -- on some random guy's leg in New York.

Charlie Sheen Tiger Tattoo

Sources at South Shore Tattoo in Amityville tell TMZ -- the artist responsible is a guy named Mike Nomy ... who implanted the tiger ink inside an unidentified customer on Wednesday.

Adonis DNA not included.