A fork of Rural Dictionary
1. An Appalachian Avalanche is when a girl is giving head to her cousin who's also her brother when he comes on her forehead.
Kelly-Jo: "Wow, I can't believe Jimmy-Bob gave me an Appalachian Avalanche last night".
Defacating through a hole cut in a hammoc, while someone lays beneath said hammoc.
Chris enjoys receiving Appalachian Avalanches on the regular!