Source : Webster's Revised Unabridged Dictionary (1913)

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

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

Source : WordNet®

chipper
     adj : 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: {debonair}, {debonaire}, {jaunty}]