According to an unknown tumblr user, this term was originally coined by an Albert Einstein while arguing with his teacher. It is used in the same way as "I don't gave a fuck", but tends to have a kinder, less harsh, and more joking purpose when used in a sentence.
Person 1: "Can I eat your meatloaf?"

Person 2: "Dude, I don't give a swag! Eat away."
by Pocahotbooty March 19, 2014
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