TO SEND A MAN UP GREEN-RIVER, verb. phr. (American).—To kill. [From a once famous factory on Green River, where a favourite hunting-knife was made.] For synonyms, see COOK ONE’S GOOSE.
1848. RUXTON, Life in the Far West, p. 175. A thrust from the keen scalp-knife by the nervous arm of a mountaineer was no baby blow, and seldom failed to strike home UP TO THE GREEN RIVER [i.e., the mark] on the blade.
