WordWeb Online

1. Someone who is unsuccessful
   - flop [informal], dud, washout
    
2. An event that fails badly or is totally ineffectual
   "the first experiment was a real clunker";
   - turkey [informal], bomb, dud, flop [informal]
    
3. A car that is old and unreliable
   "the fenders had fallen off that old clunker";
   - bus [informal], jalopy [informal], heap [informal], banger [Brit, informal], hooptie [US, informal]

Derived forms: clunkers

Type of: auto [informal], autocar [archaic], automobile [N. Amer], bust [informal], car, clinker [N. Amer, informal], dysphemism, epic fail [informal], failure, fizzle, flop [informal], loser, motorcar, no-hoper [informal], nonstarter, unsuccessful person, wheel [informal], whip [US, informal]

Encyclopedia: Clunker