Merriam-Webster Collegiate Dictionary - scuff

 I. verb  Etymology: origin unknown  Date: 1768  intransitive verb  1.  a. to walk without lifting the feet ; shuffle  b. to poke or shuffle a foot in exploration or embarrassment  2. to become scratched, chipped, or roughened by wear a countertop that won't ~  transitive verb  1. cuff III  2.  a. to scrape (the feet) along a surface while walking or back and forth while standing  b. to poke at with the toe  3. to scratch, gouge, or wear away the surface of ~ed my shoes  II. noun  Date: 1899  1.  a. a noise of or as if of ~ing  b. the act or an instance of ~ing  c. a mark or injury caused by ~ing  2. a flat-soled slipper without quarter or heel strap — compare mule