Colombian marching powder

Colombian marching powder (uncountable)

1. (slang, less common) Synonym of Bolivian marching powder.

• Eric Partridge (2005) “Colombian marching powder”, in Tom Dalzell and Terry Victor, editors, The New Partridge Dictionary of Slang and Unconventional English, volume 1 (A–I), London, New York, N.Y.: Routledge, →ISBN, page 455.