Hitting your jaw with a blunt object, such as a hemmar or a rock to improve the bones in your face to create a stronger jawline. Bone Smashing is usually associated with Look Maxing
Mogger: Your jawline is shit you should try bonesmashing Bone Smashing Mogger: Then it's over for you
In the looksmaxxing community, you get a hammer or any hard object and smash the bone in your face to hopefully get the bone to heal in a more attractive way
Dude I’m so tired of having a big nose! I’m going to try bone smashing.