Noddy
Origin 1
Probably a shortening of noddypoll, a now obsolete alteration of hoddypoll, "fumbling inept person".
Origin 2
Noun
noddy
(plural noddies)- Any of several stout-bodied, gregarious terns of the genera Anous and Procelsterna, found in tropical seas.
- (dated) A small two-wheeled vehicle drawn by a single horse.
- An inverted pendulum consisting of a short vertical flat spring which supports a rod having a bob at the top; used for detecting and measuring slight horizontal vibrations of a body to which it is attached.
- (obsolete, uncountable) An old card game.