He's so tight he'd skin a flea for its hide and tallow.
I had a whole bunch of Southern expressions I wrote down over the years. I haven't seen the list for about 10 years, but it's here somewhere in a box. I might think of some of them as I go.
She's got hips like a government mule.
He's slower than smoke off a meadow muffin. (I cleaned that one up a bit
)