Dingo's Kidneys
A Douglas Adams original, was used multiple times in his book "The Hitchhiker's Guide to the Galaxy". Usually (but not necessarily) following "a load of", dingo's kidneys means rubbish, bollucks, crap or bullshit.
Seriously? I have to give an example in a sentence? I can't just leave it blank? WTF?! That's a load of dingo's kidneys!
Fetid dingo kidney
That which is not given when one does not care about something.
Fred did not give a fetid dingo kidney that this page only has one reference to where the phrase came from.