Garbo

wiktionary

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Clipping of  garbage +‎  -o(colloquialising suffix). 

etymonline

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Garbo

screen surname of Swedish actress Greta Gustaffson (1905-1990); her name was used allusively to indicate aloofness by 1934; her legendary avoidance of publicity began with her retirement from films in the mid-40s. Related: Garbo-esque.