Communicating is frustrating for the human, not the parrot. You don't get it the first time; they have the time to change tactics and try again. Buckle Up Buckaroo.

Yes, if capillary filled sinuses exist near the function of swallowing, brain freeze can happen. Vasoconstriction (narrowing the blood vessels) creates the feeling of pain. You can turn off the pain by drinking something lukewarm. (Widening the blood vessels). Want frozen treats without the face assault? It's all a matter of degrees. Here's how.

You can't stop a parrot from being a parrot. Which is what a parrot is doing when she's throwing, stirring, hurling, and dumping food bowls. You can reduce the aftermath costs and cleaning time with fresh foods served in correct portions in no mess bowls and stations.