Definition of wankly in English:

wankly

Pronunciation /ˈwaŋkli/

adjective

dialect, rare British
  • Weak, feeble; unstable, wobbly; unsteady, not to be relied upon, precarious.

Origin

Late 18th century; earliest use found in Samuel Pratt (1749–1814), writer and actor. From wankle + -y.