be as dead as a dodo

be as dead as a dodo

To be outdated or unpopular. The "dodo" is a now-extinct bird. Although popular in the 1970s, disco music is as dead as a dodo today.
See also: dead, dodo
References in periodicals archive ?
Suddenly you're being offered a lot of money - and you can be as dead as a dodo if you make the wrong choice.