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1.
Someone who predicts obvious things. Often times said as sarcasm and is a close relative to Captain Obvious.
Example 1:

Person A: I'm thinking of askin this chick out, but I think she'll shoot me down...

Person B: Thanks, Nostraobvious.

Example 2:

Person C: Call me Nostraobvious, but the sun is going to come up tomorrow.
by TheDoode December 06, 2010