Nobody cancel my ass for this, I'm just here to answer questions. "Amish Oil Change" is a slang term that has two different meanings. One meaning is a sexual innuendo that refers to the act of fellating a horse and spitting out its semen1. The other meaning is a colloquial term that refers to the common procedure of coating wooden equipment and furniture with linseed or flaxseed oil, especially those used in farming and construction2.
