1 definition by E.J. Cochrane
n. Etymologists are divided over whether it derives from the Latin word, calgarus, meaning "crass," or a blackfoot word, calgaree, meaning, "strange race in cowboy boots who guzzle thick black liquid from the ground ." In current colloquial usage it is slang for "second-best."
by E.J. Cochrane August 18, 2005