Definition of chin-chin in English:

chin-chin

exclamation

British
dated, informal
  • Used to express good wishes before drinking.

    ‘‘Chin-chin,’ he said, and drank’
    • ‘Going out to eat together was also a great passion, and when there was an occasion for toasting, you would often hear us toast "Chin-chin!".’
    • ‘I was told never to say ‘Chin Chin’ as a toast if there are any Japanese present.’
    • ‘I stood up, and welcomed them all to the US (we were at Camelback Inn in Scottsdale) I finished my toast with "chin chin".’
    here's to you, good health, your health, here's health, skol, good luck
    View synonyms

Origin

Late 18th century: representing a pronunciation of Chinese qing qing.

Pronunciation

chin-chin

/tʃɪnˈtʃɪn/