Definition of jubbly in US English:

jubbly

adjective

Australian
informal
  • Of the stomach, bottom, etc.: plump, fleshy. Hence, of a woman: having large breasts. Chiefly approbatory.

noun

Australian
informal
  • In plural The breasts.

Origin

1970s. Origin unknown.

Pronunciation

jubbly

/ˈdʒʌb(ə)li/