I'm pretty sure that UNLESS he was lucky enough to have his head crushed(not chopped, crushed), then he felt all of it.
He did not die right away.
I'm sure he felt a good amount of that; straight up no dilution factor.
Fuck Yeah! Hot tongue of death!
It reminds me of the giant cop head spinning with its tongue out in Dr.Parnassus. And shit, now I'm reminded of Zardoz.