Although there were many times he did leave without wiping on purpose, huge messy bowel movements like this one, were opportunities for the Grinch to think a little more sanitarily. But being a creature of the forest with a less than civilized upbringing, the Grinch doesn't use toilet paper. Instead, he did his usual routine, he got down on the floor, and scooted his hairy, soiled but across the dirty ground, using it to clean himself.