Ancestor
A person from whom another is descended from
Branch
A smaller division of a larger business (in this case, a bank)
Comanche
A Native America tribe from the Southwestern U.S.
Disease
A disorder/illness that affects a person/animal
Televangelist
An evangelical preacher on T.V. who preaches and asks for money
Hell or High Water
A phrase meaning no matter what
Intuition
An instinctive feeling; a hunch
Pecker
Slang for penis
Pemmican
A nutritious Native American food
Plains
Grassland; an area that is flat and without many trees
Retirement
Ceasing to work
Revved up
Energized
Rodeo
(In the context of the film) Experience; times doing something
Truffle
A strong-smelling fungus eaten as a delicacy
Tweaker
A person who regularly uses stimulant drugs (mostly meth)