The Collaborative International Dictionary of English v.0.48:

Chipper \Chip"per\, v. i. [Cf. Cheep, Chirp.]
   To chirp or chirrup. [Prov. Eng.] --Forby.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chipper \Chip"per\, a.
   Lively; cheerful; talkative. [U. S.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

chipper
    adj 1: having a cheerful, lively, and self-confident air;
           "looking chipper, like a man...diverted by his own wit"-
           Frances G. Patton; "life that is gay, brisk, and
           debonair"- H.M.Reynolds; "walked with a jaunty step"; "a
           jaunty optimist" [syn: chipper, debonair,
           debonaire, jaunty]

Moby Thesaurus II by Grady Ward, 1.0:

82 Moby Thesaurus words for "chipper":
   active, activist, activistic, alert, alive, alive and kicking,
   animate, animated, bouncing, bouncy, breezy, bright,
   bright-eyed and bushy-tailed, brisk, bubbly, cheep, chip, chirk,
   chirm, chirpy, chirrup, chirrupy, chitter, ebullient, effervescent,
   energetic, enjoying health, eupeptic, fine, fit, fit and fine,
   frisky, full of beans, full of go, full of life, full of pep, gay,
   healthful, healthy, in condition, in fine fettle, in fine whack,
   in good case, in good health, in good shape, in health,
   in high feather, in mint condition, in shape, in the pink, keen,
   live, lively, mercurial, militant, neat, orderly, peart, peep,
   peppy, perky, pert, quicksilver, shipshape, smacking, snappy, snug,
   spanking, spick-and-span, spirited, sprightly, spry, tidy, trig,
   trim, tweedle, tweet, twitter, uncluttered, vivacious,
   well-groomed, zingy