Examples
“Nb 'shonky' is strictly a Discworld term in this context.”
“gradually changed from blasé to concerned as the death-toll grew sort of knew a sure-fire way to sublimate angst – gave to the first relief collector who happened to call a shonky deal; seems all he collected was for himself they said on the news, not”
“As per the 'shonky' shops mentioned by Sir Terry in the Discworld books.”
“I wanted to give credit to Australia and not to get caught in some kind of shonky business, and I can assure you now that we didn't do anything that was improper in this whole period.”
“A Minister should not be perceived to be acting in a "shonky" manner.”
“Australia is all set to make stricter laws to weed out 'shonky' operators in a bid to rebuild the image of its battered overseas education sector.”
“shonky" system which was angled in the wrong direction, not maintained, and therefore generated little electricity.”
“Or do you choose to believe shonky stats despite your eyes.”
Lists
These user-created lists contain the word ‘shonky’.
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Auslang
Australian colloquialisms, slang and unique lingual artifacts.
bludger, strewth, shonky, cow cockie, sickie, woop woop, chunder, furphy, buckley's chance, whinge, root barrier, nuff nuff and 8 more...

knitandpurl "How many blokes dyou owe?
One fella who owns all the fellas. He's a nasty cove.
What're they gunna do?
Work it out of me, I spose. There's plenty of shonky jobs they'll want done."
Cloudstreet by Tim Winton, p 234 of the Graywolf Press hardcover edition Apr 1, 2010
reesetee I used to hear people use "wonky" that way until it took on a new (and different) meaning. Aug 29, 2008
yarb No, it's a perfectly innocent word. Usually refers to something mechanical, e.g. "I couldn't watch those bonus features, cause my DVD player's one of those shonky own-brand jobs".
I've also heard it used to refer to something morally dubious, along the lines of iffy and dodgy. Aug 29, 2008
chained_bear I like this word. Thanks yarb. (Is it rude? Mildly rude?) Aug 29, 2008
yarb Adj., poorly-made, sub-standard, unreliable. Aug 29, 2008