but here we are.

Pretty much correct. First, break it apart. Spheno-palatine ganglio is the name of a nerve associated with the trigeminal-- the 5th (I think) cranial nerve. (One old olympus towering tops... right trigem).

What Causes Sphenopalatine Ganglioneuralgia (Brain Freeze) and Tips for Prevention

And now you!

That one made me laugh. All from Powerline's The Week in Pictures.