Meant to be used to throw someone off. If there's a serious argument, say that, and you'll win just by pure awesomeness. Occasionally the word "Bitch" can be thrown at the end of it.
It was coined by
RayWilliamJohnson on YouTube.
Person 1: "Personally, I believe that god is going to smite every last one of the sinners--"
Person 2: "YOU AIN'T GOT NO PANCAKE MIX!"
Person 1: "..."
Buy a
You ain't got no pancake mix!
mug!