Webster's Revised Unabridged Dictionary · 1913

Noodle

Noodle , noun

[Compare Noddle, Noddy.]

1.
A simpleton; a blockhead; a stupid person; a ninny. [Low]
The chuckling grin of noodles. — Sydney Smith
2.
The head; also, noddle; -- used jocosely or contemptuously; as, use your noodle.

Noodle , noun

[German nudel vermicelli.]

A thin strip of dough, made with eggs, rolled up, cut into small pieces, and used in soup.