What is Stuff It?
1.
Shut up. Said in a grumpy way, but usually to a friend and not meant to be too rude.
Roommate one: I'm done with all my gen eds!
Roommate two: Stuff it.
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2.
To give up on something; To not care or be bothered about/with something/someone. Another way of saying "screw this".
"Stuff it I can't be bothered to do this work any more"
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