The Collaborative International Dictionary of English v.0.48:

Bouncing \Boun"cing\, a.
   1. Stout; plump and healthy; lusty; buxom.
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            Many tall and bouncing young ladies.  --Thackeray.
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   2. Excessive; big. "A bouncing reckoning." --B. & Fl.
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   Bouncing Bet (Bot.), the common soapwort (Saponaria
      officinalis). --Harper's Mag.
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The Collaborative International Dictionary of English v.0.48:

Bounce \Bounce\, v. i. [imp. & p. p. Bounced; p. pr. & vb. n.
   Bouncing.] [OE. bunsen; cf. D. bonzen to strike, bounce,
   bons blow, LG. bunsen to knock; all prob. of imitative
   origin.]
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   1. To strike or thump, so as to rebound, or to make a sudden
      noise; a knock loudly.
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            Another bounces as hard as he can knock. --Swift.
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            Against his bosom bounced his heaving heart.
                                                  --Dryden.
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   2. To leap or spring suddenly or unceremoniously; to bound;
      as, she bounced into the room.
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            Out bounced the mastiff.              --Swift.
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            Bounced off his arm+chair.            --Thackeray.
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   3. To boast; to talk big; to bluster. [Obs.]
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WordNet (r) 3.0 (2006):

bouncing
    adj 1: vigorously healthy; "a bouncing baby"
    2: marked by lively action; "a bouncing gait"; "bouncy tunes";
       "the peppy and interesting talk"; "a spirited dance" [syn:
       bouncing, bouncy, peppy, spirited, zippy]
    n 1: rebounding from an impact (or series of impacts) [syn:
         bounce, bouncing]

Moby Thesaurus II by Grady Ward, 1.0:

91 Moby Thesaurus words for "bouncing":
   active, activist, activistic, alive, animated, beefy, bouncy,
   bounding, breezy, brisk, bubbly, chipper, doughty, ebullient,
   effervescent, energetic, flush, forceful, forcible, forcy, frisky,
   full of go, full of life, full of pep, full-blooded, full-strength,
   gutsy, gutty, hale, hale and hearty, hard, hard as nails, hardy,
   hearty, hefty, hopping, husky, iron-hard, jumping, leaping, live,
   lively, lusty, mercurial, mighty, militant, nervy, obstinate,
   peppy, perky, pert, potent, powerful, prancing, puissant,
   quicksilver, rebounding, recalcitrant, recoiling, red-blooded,
   repercussive, resilient, robust, robustious, robustuous, rude,
   rugged, saltant, saltatorial, saltatory, skipping, smacking,
   snappy, spanking, spirited, sprightly, springing, spry, stalwart,
   steely, stout, strapping, strong, strong as brandy,
   strong as strong, strong-willed, sturdy, vigorous, vital,
   vivacious, zingy