derka lerka Share definition Flag A derogatory term for indians. It appears to sound like their native language. derived from derka That goddamn derka lerka smells like rotten cabbage, but he sure aced that physics midterm! derka lerka by mr. jayistheman September 4, 2006 0 0 Get merch Get the derka lerka mug. Buy Now — $32.95 See more merch