noun, plural dodos, dodoes.
1. any of several clumsy, flightless, extinct birds of the genera Raphus and Pezophaps.
2. Slang. a dim-witted person; a stupid person.
3. a person with old-fashioned, conservative, or obsolete ideas.
4. something that is outmoded or obsolete.
1620-30; < Portuguese doudo, fool, madman (of uncertain origin); the bird apparently so called from its clumsy appearance