Changing the shape of the chin either by augmenting (making it bigger) or reducing the size of the chin. Genio is the Latin term for the chin. Plasty is the Latin term for changing the shape of.

Chin augmentation can be done with either filler or a chin implant. It can also be done by making bony cuts in the anterior part of the chin and sliding it forward or backwards. It can be done in really any number of ways to both the soft tissue and bone.