Weight loss. help quick!!!?

im 16 and 5'3 weighing 152 pounds. i have a large frame but i want to lose weight . be like 40 kgs or something. anything but not chubby. please help...tell me anyway to lose weight. ANY WAY!. i DONT CARE OF THE SIDE EFFECTS OR IF IT WILL KILL ME OR not . im already dying . please help any herbal remedy, medicine drug exercise anything!! help !!! i want to lose weight before the guy i like is gone from school!!! like in weeks or a month.