Meaning of hot-cha-cha in English:

hot-cha-cha

(also ha-cha-cha)

Pronunciation /ˌhɒtˌtʃɑːˈtʃɑː/

noun

  • A cry of ‘hot-cha-cha’; an expression of energy and high spirits.

    Frequently used humorously in combination with the traditional refrain hey nonny nonny.

Origin

1920s (in an earlier sense). Apparently from hotcha, with reduplication of the second syllable.