smudge

n 1: a smoky fire to drive away insects

2: a blemish made by dirt; "he had a smudge on his cheek" [syn:

{spot}, {blot}, {daub}, {smear}, {smirch}, {slur}]

v : make a smudge on; soil by smudging [syn: {smear}, {blur}, {smutch}]