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Meaning of hubble-bubble

hub•ble-bub•ble

Pronunciation: (hub'ul-bub"ul), [key]
— n.
  1. a simple form of the hookah, in which the smoke passes through water, causing a bubbling sound.
  2. a bubbling sound.
  3. an uproar; turmoil.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.