"Go the way of the dodo" is a colloquial phrase used to describe a thing, idea, or concept that has become outdated or obsolete over time. It is often used in reference to once-popular practices or technologies that have been replaced by more modern alternatives. Synonyms for this phrase might include "fade into obscurity," "become a relic of the past," or "meet its demise." Other related phrases might include "fall out of favor," "lose its appeal," or "vanish from memory." Whatever the specific wording, the meaning remains the same: certain things, like the dodo bird, simply cannot survive in a rapidly changing world.