What does you aint got no pancake mix mean?

It's an informal and slightly exaggerated way of expressing a lack of pancake mix. The phrase is often used humorously or in a casual setting.

Here's a breakdown of why it's phrased that way:

* "You ain't got" is a contraction of "You are not got" and is a more informal way of saying "You don't have."

* "No" is used instead of "any" for emphasis.

* "Pancake mix" refers to the pre-packaged ingredients used for making pancakes.

Essentially, it's a playful way of saying that someone is out of pancake mix and can't make pancakes.