Sit ups or preferably squats
Eat less food
If the man goes on a well timed and well organised diet, he would be able get down to a normal weight, also as the question is "How can a 20-year old man lose weight on his buttocks?" then he may have to do a daily exercise like sit ups and press ups, and hopefully this will take the weight down on his buttocks!
A lot of the lose weight fast diets are scams. To lose weight you will need to change the foods you eat, and get lots of water and exercise. www.webmd.com/diet
Well, kinda. Short of liposuction there's no way to target where to lose weight/fat. But with the right diet walking will help you lose calories, which eventually will see your buttocks shrink a bit too.
Lose weight, amputate!
yes it does !
healthyeating.net can be a valuable resource for losing weight fast and in a healthy manner
You can find more information on how to lose weight fast by going online to www.fitnessforlife.com. On this website they have a blog with 101 tips and tricks to lose weight fast and they can tell you the benefits and side effects of it.
diet and excercise. its not safe to lose weight fast regardless of age.
You will lose weight extremly fast but when you start to eat properly again youl put twice as much on!
If you're age 14, you shouldn't lose weight fast. See a dietician to find out a safe and healthy way to lose weight.
not that fast