What can be done to give me some neck/chin definition? (Photo)

Thank you for your question. Looking at the photos you have provided I would recommend some liposuction of the neck and yes you could do some fat transfer to the face to add some cheek volume and soften the NLF area. I would suggest speaking with a Board Certified Plastic Surgeon in person to evaluate you and discuss your options. Best of luck to you.

Based on these photos, you are a candidate for chin augmentation with implant. Whether agressive neck liposuction or neck lift with liposuction would be a better solution in your case will depend on in person evaluation and discussion. Good luck.