Uro Uro no Mi

The Uro Uro no Mi (ウロウロの実 Hole-Hole Fruit) is a Paramecia-kind of Devil Fruit which allows the user to create holes in themselves. Its user is known as a Hollowing Human (凹み人間 Kubomi Ningen), it was previously eaten by Harvard Haytham, but has now gone back to circulation.

Etymology

 * Uro comes from a Japanese word for Cavity (虚).