I was looking up Pittsburgh English yesterday and learned some stuff about my dialect (okay, I don't have a complete Pittsburgh dialect, I don't use "yinz" and I don't have many of the aspects of the typical accent) that is very interesting.
In south-western Pennsylvania, we call thorn bushes "jaggers." I've always wondered why I've never seen "jaggers" used in books or cinema and now I know why. It's a local term. I didn't know that until yesterday.
To me, shopping carts are "buggies." Yeah, like a horse and buggy, but...well...not. Again, until yesterday I didn't know it was a regional term.
Then there are gumbands, the action of "redding up," and gobs. We drink from spickets. We neb. We eat hoagies and dippy eggs.
The coolest one that I noticed is that when I say the word "milk," the "l" sounds more like a "w" most of the time. How I managed to say it like that and not notice until yesterday astounds me.
What regional terms do you know about that you use?