AAVE and some southern dialects of English have an answer for this - the perfective "done" conveys this kind of action that should have come to an end.

And so it goes that grammar is what's drawn this looooong-time lurker out. Back to the shadows!

Proving once again that for every lurker there is a unique post that will compel them to comment.

It is kind of marvelous that way. I've regained interest in my question!

How does 1 work in Heebie's example? "Shoulda been done shook"?

I saw a whole thing about this kind of word recently where something like "shook" would be a relic of an old word like "shooken" that has since left the language due to shifts in grammar. No idea where I saw that, though, I could be making it up.

In the example, say someone hands something to me and says, "It done been shook," or, "It already done been shook." As a kid (who grew up in a family that used these kinds of constructions), that would have meant to me that that person thinks the thing they're giving me has been shaken to completion, and shouldn't need any more shaking up.

Ah, the pleasures of pedantry - it's been a delight.

It's been delightened.

When the last lurker has been compelled to comment with the suitable summoning post, the world will end.

"Your drink has likely reached homogeneity."

"I made you a fully saturated solution."

10: Or as Elvis would say (if he was the solution), "I'm all shook up!"

"How much more shook can this be? None. None more shook."

Thanks to this post I've had this jingle in my head all day

In my dialect , the natural construction for that meaning is "It should be shaken up by now."

"Yeah, that Kool-Aid done been shook enough." Corroborating Pierre D. above; I would not have said it that way, but I would have recognized it.

Relatedly: yeet, yote, yoten?

Did an n-gram search. A few scattered instances in print (some of them reprinted quite a bit so the graph was a bit deceptive).

Including this gem from Chatteron* under his faux medieval poet pseud

Next Fescampe felle; O Chrieste, howe harde his fate
To die the leckedst knyghte of all the thronge!
His sprite was made of malice deslavate,
Ne shoulden find a place in anie songe.
The broch'd keene javlyn hurld from honde so stronge
As thine came thundrynge on his crysted beave;
Ah! neete avayld the brass or iron thonge,
With mightie force his skulle in twoe dyd cleave;
Fallyng he shooken out his smokyng braine,
As witherd oakes or elmes are hewne from off the playne.

*Died at 17; I had no idea.

"Mobb Deep already explained the meaning of'shook'"
-- Big L