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Internet sensation, commonly known by the youtuber leafyishere. He is also known for being a witch who will perform satanic rituals and tell kids to die. I mean long story short, he really is Mrblackdarkness666
Person 1: Yo bro did you see the leafy video of the saddest man on the youtube?
Person 2: Oh you mean Mrblackdarkness666
by DjDawsen June 05, 2016
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