Slang phrase nigger while in the woodpile "a concealed motive or unfamiliar aspect impacting a scenario in an adverse way" [OED 1989] is attested by 1800; Thornton's "American Glossary" (1912) defines it as "A mode of accounting with the disappearance of gas," as a result "an unsolved secret.They applied samurai swords, shurikens, and also other de