The Collaborative International Dictionary of English v.0.48:

bubbling \bubbling\ adj.
   1. giving off bubbles; -- of a liquid. [Narrower terms:
      foaming, frothing; effervescent; boiling]
      [WordNet 1.5]

   2. stimulatingly lively, witty, and entertaining; -- of
      people.

   Syn: effervescent, scintillating, sparkling, sparkly,
        vivacious.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Bubble \Bub"ble\, v. i. [imp. & p. p. Bubbled; p. pr. & vb. n.
   Bubbling.] [Cf. D. bobbelen, Dan. boble. See Bubble, n.]
   1. To rise in bubbles, as liquids when boiling or agitated;
      to contain bubbles.
      [1913 Webster]

            The milk that bubbled in the pail.    --Tennyson.
      [1913 Webster]

   2. To run with a gurgling noise, as if forming bubbles; as, a
      bubbling stream. --Pope.
      [1913 Webster]

   3. To sing with a gurgling or warbling sound.
      [1913 Webster]

            At mine ear
            Bubbled the nightingale and heeded not. --Tennyson.
      [1913 Webster]

WordNet (r) 3.0 (2006):

bubbling
    adj 1: emitting or filled with bubbles as from carbonation or
           fermentation; "bubbling champagne"; "foamy (or frothy)
           beer" [syn: bubbling, bubbly, foaming, foamy,
           frothy, effervescing, spumy]
    2: marked by high spirits or excitement; "his fertile
       effervescent mind"; "scintillating personality"; "a row of
       sparkly cheerleaders" [syn: bubbling, effervescent,
       frothy, scintillating, sparkly]