Originally from the online podcast UhhYeahDude.
1. "Herda-hada" or "Herda-hada-herda" can either refer to residents of the
Southern American states, the Bible Belt, or any rural area in the
United States, especially where "rednecks" can be found. This mostly Southern and Eastern Maryland, West Virginia and Kentucky to the Gulf Coast, and from the Atlantic coast to most of Texas and Oklahoma.
2. It can also refer to the Southern
American English (SAE) speech dialect and the mockery thereof.