Apa itu smudge? Apa itu smudge? To make dirty, especially in one small area.To smear or blur (something).To fill (an orchard or another planted area) with dense smoke from a smudge pot in order to prevent damage from insects or frost. To smear something as with dirt, soot, or ink.To become smudged: Photo negatives smudge easily. A blotch or smear.A smoky fire used as a protection against insects or frost.