When someone baby doses, it means they're still using drugs, but they're using it in a smaller amount (or claim to be) just to get high occasionally.

when you're hungover as shit after a spending a night drunk as a skunk

When someone baby doses, it means they're still using drugs, but they're using it in a smaller amount (or claim to be) just to get high occasionally.

A very small dose of a drug.
Usually used by people who claim that they stopped using the spoken drug.