Smudge (verb)

Make a smudge or smears on something, typically by rubbing it with a dirty or wet finger or cloth.

Origin:

Derived from the word "smudge".

Examples:

1. He smudged the ink on the paper while writing.
2. The child smudged the painting with her dirty hands.
3. She smudged her lipstick while applying it.
4. The rain smudged the writing on the sign.
5. He smudged the charcoal sketch with his finger.