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the state of someone constantly playing video games instead of engaging with the rest of the group...ignoring your friend due to a trance like state which occurs while playing video games.
yeah -he's here, but he's all nintendo-no-friendo, upstairs.
by mer/j March 07, 2007
Someone who plays Nintendo all day and therefore has no friends.
Days went by and no one heard from Andrew, apparently his new Nintendo became his only acquaitance therefore transforming him into a Nintendo No-Friend-o
by Christmas N00b November 01, 2010