A Cajun American play on the word "go", which derives its orthography from French influence in the area. You'll often see the word used in reference to Louisiana sports teams, as in "Geaux (LSU) Tigers" and "Geaux (New Orleans) Saints".
Cookies that have white frosting and chocolate frosting. In many other places they are called half and half cookies.
Honolulu's (as well as the rest of Hawaii's) area code is 808. People will sometimes say "representin' the 808" to identify themselves as Hawaiians.
Hamburger meat/ground beef