Seriously, my brother is a big guy (big and a little fat) and I've seen some of the things that have worked for him:
The suggestion about swimming is a good one, need some exercise and cardio work
Start weight training!
Its hard at first, but seeing yourself get stronger is really satisfying! It will raise your self esteem, and give you motivation to continue your diet. Plus, it will build muscle that will be able to burn those extra calories, and give you energy.
My bro did this is high school, and his frame allowed for phenominal growth. Went from benching 120lbs to 250lbs in a semester. The football coaches thought he was on 'roids!
This may sound a little wierd, but the vet recommended to my parents to feed our fat little dog lots of veggies, like green beans, as filler for her diet. she can eat the amount that satisfies her, but her overall calorie count is lower (plus lots of fiber and vitamins which are always good.)
Talk to someone who knows what the hell they are talking about, not all the jokers on this board, or on the street.
BTW, I think those Atkins diets are crap. While some people may be able to lose weight with them, that does not mean they are good for you. Plus consumption of Zero carbs is very difficult, besides, what is college w/o beer? Not to mention buying all that meat would be very EXPENSIVE, esp for a colledge student.
Besides, the diets of SE Asians is mostly rice, but how many really fat Chinese do you see on TV? (half-joking)
How many obese vegitarians do you know, all the ones i know tend to be really thin.
Overall, losing weight is difficult, any "Easy" diets. esp those w/o exercise are bound to fail!