/ ˈdəʊdəʊ; NAmE ˈdoʊdoʊ/ noun ( pl. -os )
1.
a large bird that could not fly and that is now extinct (= no longer exists)
2.
( NAmE ) a stupid person
•
IDIOMS
see dead adjective
••
WORD ORIGIN
early 17th cent.: from Portuguese doudo simpleton (because the bird had no fear of man and was easily killed).