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]