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The most sorry, ugly, and pathetic character in the world of fiction. Originates from the anime "Initial D". Has absolutely no redeeming qualities.

Often times used as an insult, worse than rog.
"Man that Daniel Choi is such an Itsuki."
"Your face reminds me of Itsuki's"
"Did you see the way that guy was rejected by that girl? Typical Itsuki"
by Anonymous April 16, 2003