1. [Brit, informal] A cheap wine of inferior quality
   "They served plonk at the office party to save money"
    
2. The noise of something dropping (as into liquid)
   "The plonk of the stone hitting the water broke the silence"

1. Set (something or oneself) down with or as if with a noise
   "He plonked the money on the table";
   - plank [informal], flump [informal], plop, plunk [informal], plump down, plunk down [informal], plump, slap

Derived forms: plonking, plonked, plonks

Type of: noise, place down, put down, set down, vino [informal], wine

Encyclopedia: Plonk