Definition of chart-topper in English:

chart-topper

noun

informal
  • See chart-topping

    • ‘Every year he returns with a rock-out chart-topper, an epic ballad and a couple of annoyingly-catchy, quirkily-worded ditties.’
    • ‘Their latest offering ‘Duur’ is a chart-topper in India as well as Pakistan.’
    • ‘The chart-topper is recording his make-or-break third album in a modest studio in Eling, just outside Southampton.’
    • ‘His album, ‘The Eminem Show,’ was a chart-topper from Australia to the U.S.’
    • ‘It is a testament to the impact of 2003's album Elephant that they should become chart-toppers.’

Pronunciation

chart-topper

/ˈtʃɑːtˌtɒpə/