More:

I ain't no baker, ain't no baker man's son,
but I'll keep your biscuits warm til you baker man comes.

I ain't no doctor, ain't no doctor's son,
but I'll be on you case til your doctor man comes.

or (My Dad was an architect)

I ain't no architect, but I'm an architect's son.
Got a design on you baby that'll make Frank Lloyd Wright run.

I got hesitation shoes and hesitation stockings,
I got a hesitation mama does my hesitation rocking.

and on and on and on...

I learned this song off a Roy Book Binder video (Homespuntapes.com). Roy started taking lessons from the Reverend in the 60's and then became his driver. A lot of the story is on his CD "Don't start me talkin'"
DW