scribble nibbler Share definition Flag Someone who is incapable of generating an original thought, idea, creation, etc. That John Mayer is madd scribble nibbling SRV. Why don't he come with some of his own shit? scribble nibbler by Robocoptick August 11, 2005 0 0 Get merch Get the scribble nibbler mug. Buy Now — $32.95 See more merch