Sass Monkey Share definition Flag Somebody, or something, that is ever so slightly retarded but in a funny way. Will: Vicky, sometimes you are such a sass monkey!Vicky: I know, i know. Sass Monkey by The_Original_Sass_Monkey August 14, 2011 0 0 Get merch Get the Sass Monkey mug. Buy Now — $32.95 See more merch