Top Definition
A nocturnal octopus, highly trained in the art of being a ninja. Will eat you, if you do not pay it proper respect.
Bob: Oh my goodness, I had a meaningful dream last night...
Tom: No way, bro. What happened??
Bob: The nocturnal octopus ninja came to me, he told me all the answers, man.

Tom: Wow...
by VISAGEdeDUNETTE December 20, 2010

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