Maybe a little late to the thread, but...
1- Incessant use of "like" (Like, (insert phrase) like, then, like I like...)
2- Oh my gaw-oodness
3- Jag-warr
4- The whole (as discussed^) Thru, X-Mas, etc thing
5- God bless the USA (for God's sake [<which is in itself better than "My god!!!"] we know you're patriotic. Stop shouting about it.
6- Well, listen here...
7- Howdy. Yes, it's a stereotype, but I have visited the "deep south" where many still speak that way.
8- Gawd-damn
9- Dun "I dun told ya" (remember, southern states here)
10- kaint (can't) rather than can't