dodo: Meaning and Definition of

do•do

1. any of several clumsy, flightless, extinct birds of the genera Raphus and Pezophaps, related to pigeons but about the size of a turkey, formerly inhabiting the islands of Mauritius, Réunion, and Rodriguez.
2. a dull-witted, slow-reacting person.
3. a person with old-fashioned, conservative, or outmoded ideas.
4. a thing that is outmoded or obsolete.