Source : Webster's Revised Unabridged Dictionary (1913)

Noodle \Noo"dle\, n. [Cf. {Noddle}, {Noddy}.]
   A simpleton; a blockhead; a stupid person; a ninny. [Low]

         The chuckling grin of noodles.           --Sydney
                                                  Smith.

Noodle \Noo"dle\, n. [G. nudel vermicelli.]
   A thin strip of dough, made with eggs, rolled up, cut into
   small pieces, and used in soup.

Source : WordNet®

noodle
     n 1: a ribbonlike strip of pasta
     2: informal terms for a human head [syn: {attic}, {bean}, {bonce},
         {noggin}, {dome}]