won·ky /ˈwäNGkē/
Adjective:
Synonyms:
- Crooked; off-center; askew.
- (of a thing) Unsteady; shaky: "sitting on wonky stools".
shaky - rickety - wobbly
This is one of the reasons why counterfeits are so bad...someone will try and sell it as legitimate and some poor bastard will get screwed.