The term "feathered Indians" appears to have different meanings depending on the context. In the case of Tyler Childers song "Feathered Indians," the title refers to the imprints of Tylers belt buckle on his lovers thighs during a passionate embrace. Tyler is known for rocking a Red Man Chewing Tobacco Belt, and he previously dropped Feathered Indian belt buckles as part of official merchandise. The song tells the story of Tylers relationship with a good religious girl who inspires him to want to be a better person, to leave some of his bad habits behind. Ultimately, the song is about longing, as things did not work out between Tyler and the woman in this story.
Its worth noting that the term "feathered Indians" has other meanings as well. According to Urban Dictionary, it can refer to the pubes left in your bed after tussling all night. However, this is not the meaning behind Tyler Childers song.