Shonky meaning (Score 3, Informative)

I don't know what Shonky means, but I think that's bad.

Well, I am not australian, but according to "Australian Slang" (Babylon):

Shonky:

1. dubious, underhanded;
2. unreliable, very suspect deal: "shonky practice", "shonky business" etc.;
3. mechanically unreliable;
4. dishonest person