A person or thing that is doomed or destined for failure. If he jumps out of that plane and his parachute doesn't open, he's a goner. I'm a goner if my parents find out I dented the car.
Something or someone that is dead, doomed, ruined, or past recovery, as in If this new drug doesn't work, he's a goner; or Without a working transmission, my car's a goner. Synonyms of this idiom, such as a gone goose or chicken or gosling , are no longer heard as much. [Slang; mid-1800s]
See also: goner