The Collaborative International Dictionary of English v.0.48:
Canty \Can"ty\, a. Cheerful; sprightly; lively; merry. "The canty dame." --Wordsworth [Scot. & Prov. Eng.] [1913 Webster] Contented with little, and canty with mair. --Burns. [1913 Webster]WordNet (r) 3.0 (2006):
canty adj 1: lively and brisk