Slang phrase nigger in the woodpile "a concealed motive or unknown factor affecting a situation within an adverse way" [OED 1989] is attested by 1800; Thornton's "American Glossary" (1912) defines it as "A method of accounting to the disappearance of gas," consequently "an unsolved mystery. The slang expression "Niga" is https://mcmasterp246uyd4.wikiinside.com/user