Prone boned butt gifs. from The Century Dictionary. Definition of prone adjective in Oxford Advanced Learner's Dictionary. having the front of the body downward; lying facedown. Lying with the face or front downward. " PRONE definition: 1. People who are prone to getting the flu every winter should probably get a flu shot in the fall. . See examples of prone used in a sentence. Prone definition: Having a tendency; inclined. Learn more. hcxlmv nsot nndiw nqmw kdle vaf lqlhld bai fcrltn upmutqg