Pennsylvania Dutch Dictionary: duh

duh ˉ verb, pp. geduh
1. to do
2. to perform
3. to practice
  Example
  1. Wie ich gsaat hab, es sin aardlich so Glaawe as mer nenne kennt as in unnerschittliche Gegend geduh waare Yaahre zerick. As I said, there are quite a few such beliefs that one could list that were practiced in various areas years ago.
4. to demonstrate
  Example
  1. Un no hen sie noch die altfrenkisch Dreschmaschiene, net en Kombeind, awwer die altfrenkisch Dreschmaschien, un des watt geduh. And then they also have the old-fashioned threshing machines, not a combine, but rather the old-fashioned threshing machine, and this will be demonstrated.
5. sell dutt's, that's enough
6. sell dutt's, that will do
Commentary:
- Used as auxiliary to indicate the progressive form for emphasis: mer dun schaffe, mer dun jo singe.