rat's nugget
Something that one does not give for any reason. The act of not giving a shit when someone tells you something. Can be applied to any sentence spoken by an opposite party.
I don't give one hairless rat's nugget about what you think!
Rat nuggets
The other white meat.
Damn they put rat nuggets in that guy's happy meal, that's fucked up. I don't know how a guy could stay happy after eating it unless he didn't know about it.