* Groggy: This means they are slow, sluggish, and possibly confused, likely due to lack of sleep, illness, or the effects of medication.
* Ornery: This means they are bad-tempered, irritable, and prone to getting angry or upset easily.
So, "groggy ornery" describes someone who is grumpy and easily annoyed, likely due to being tired or unwell.
It's like the feeling of being so tired you're grumpy at the world, and anything that inconveniences you sets you off.