garbo noun 2adjective 1forms 1 noun2 •(Australia, informal) A rubbish collector; a garbage man.Then believe it or not, I worked for some time as a garbo, collecting the rubbish in the wee hours of the morning. — 1986 •(US, informal) Garbage; something considered worthless."Any quartz in the Mountain?" / "Just garbo quartz, not enough to produce any electrical fields." / "No disruption in the magnetic field?" / "No, sir." — 2012 adjective1 •(informal) Useless or worthless.This film is garbo; they didn't hire any writers! formsgarbos