Definition of hubba hubba in English:

hubba hubba

exclamation

North American
informal
  • Used to express approval, excitement, or enthusiasm, especially with regard to a person's appearance.

    ‘He plays a guy who thinks he's Don Juan—the greatest seducer of all time. Hubba hubba!’
    as modifier ‘a hubba-hubba confection of go-go girls dancing to grinding music’
    • ‘My skin will clear up and my dream partner will emerge from hubba hubba heaven?’
    • ‘But on a more positive note, I luuuurrrrrrve summer, the way the women dress here in Sydney, phew, hubba hubba!’

Origin

1940s: of unknown origin.

Pronunciation

hubba hubba