Blurple Share definition Flag A color the combination of blue and purple. Usually found in textbooks to highlight or summarize key terms or plot summaries. "That color isn't exactly blue and it ain't exactly purple. It must be Blurple." Blurple by MrEdwards December 13, 2016 0 0 Get merch Get the Blurple mug. Buy Now — $32.95 See more merch