"Josiah" on urbandictionary.com
This is the first definition:
1. josiah
32 up, 22 down
an extremely, unimaginably large head.
dude put down your beer and come check out the josiah on that girl!!!
big head head noggin dome shoulder boulder
by bbod Jan 20, 2007 email it 0 comments
I don't know who 'bbod" is, but I would think that this may not be such a coincidence.. (If you didn't know already, I probably have a bigger head than you..... as far as hat sizes go, its biggr than an 8 meaning stores don't carry hats my size)