Retardablonde Share definition Flag The weird blond/colory mix thats left after semi-permanent wash off and you're too lazy to re-dye it. My blue streaks washed out so now everyone keeps on asking me about the retardablonde. Retardablonde by technicolor August 20, 2009 0 0 Get merch Get the Retardablonde mug. Buy Now — $32.95 See more merch