[do.do] n, pl dodoes or dodos [Pg doudo, fr. doudo silly, stupid] (1628) 1 a: an extinct heavy flightless bird (Raphus cucullatus, syn Didus ineptus) of the island of Mauritius that is related to the pigeon and larger than a turkey b: an extinct bird of the island of Reunion similar to and apparently closely related to the dodo
2. a: one hopelessly behind the times b: a stupid person