- paper money; cash.
Origin of long green
An Americanism dating back to 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for long green
Tom watched this, then reached into his own pocket and produced a twist of long-green tobacco from which he gnawed off a chew.Sunlight Patch
Credo Fitch Harris