The Collaborative International Dictionary of English v.0.48:
Pawky \Paw"ky\, a. [Cf. AS. p[ae]cean to deceive.] Arch; cunning; sly. [Scot.] --Jamieson. [1913 Webster]WordNet (r) 3.0 (2006):
pawky adj 1: cunning and sly; "the pawky rich old lady who incessantly scores off her parasitical descendants"- Punch