1. piece of pasta; stupid person; head (Slang). noodlenoodle , n. [cf. noddle, noddy.] a simpleton; a blockhead; a stupid person; a ninny. [low] the chuckling grin of noodles.noodle noodle, n. [g. nudel vermicelli.] a thin strip of dough, made with eggs, rolled up, cut into small pieces, and used in soup