Answer:

smudge

Answer	Crossword Clue
SMUDGE	Leaky-pen leaving
SMUDGE	Eraser leaving
SMUDGE	Avocado grove pot

SMUDGE	Soot spot
SMUDGE	Smear
SMUDGE	Makeup mishap
SMUDGE	Calligraphy accident
SMUDGE	Blur
SMUDGE	Erasure remnant
SMUDGE	Dark mark
SMUDGE	Messy mark

SMUDGE	Artist's goof
SMUDGE	Finger mark
SMUDGE	Dirty mark
SMUDGE	Mark from an old eraser
SMUDGE	Inky blur
SMUDGE	Dirt stain
SMUDGE	Eraser mark
SMUDGE	Ink spot

SMUDGE	Ink stain
SMUDGE	Mascara mark, maybe
SMUDGE	Smoky fire, used to protect fruit from frost.
SMUDGE	Blur.
SMUDGE	Dense smoke to drive away insects.
SMUDGE	Anti-mosquito fire
SMUDGE	Result of careless erasure
SMUDGE	Soil or blur

SMUDGE	Smeary mark
SMUDGE	Soot mark
SMUDGE	Soil
SMUDGE	Photo marrer
SMUDGE	Fingerprint, say
SMUDGE	Printing goof
SMUDGE	Target for a gum eraser
SMUDGE	Mark that might be left with greasy fingers

SMUDGE	Dirty smear
SMUDGE	Dirty streak
SMUDGE	Mark from dirty fingers
SMUDGE	Fire in an orchard
SMUDGE	Polisher's target