Definition of gobstopper in English:

gobstopper

noun

British
  • A jawbreaker.

    • ‘Short of an ever lasting gobstopper, Coke's lab is kicking around a ready-to-drink cup of coffee that can be heated in a microwave, plus a purple carbonated soft drink made from ripe, unroasted coffee beans.’

Pronunciation:

gobstopper

/ˈɡäbˌstäpər/