Answer:
I am the noise Santa's reindeers make
I am like thunder in your cranium
What has one head one foot and four legs?
You have to travel far before you turn it over. What is it?
I'm tall I'm round and hollow Seems to get chewed a bit But you'll rarely see me unless the other end is lit.
The answer I give is yes, but what I mean is no. What was the question?