Top Definition
1) A short, blue know-it-all.

Blue is a color

42 is the anwser to everything,which is a reference to Hitchhiker's Guide to the Galaxy.

Blue+42= Blue42ness.

2) A smurf watching Monty Python's 'How Not to Be Seen(No. 42, PARA. 6.)'
1) The blue42ness of the student was apparent, as they answered all the questions correctly.

2) Their blue42ness is well known.
by Kn-hawk February 01, 2012

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