You don't lose weight by eating, you lose weight by not eating.
Go for a fast, either a complete fast for many days or do OMAD (one meal a day). Fasting is known as a healing technique for millennia so don't believe that it is unhealthy.
Avoid sugar and processed carbs because you'll get hungry again faster. Eat animal fat/meat and plant fat to feel satiated for a long time.
I am not fat but I am doing OMAD from time to time just to feel better. This will also cure every form of pre-diabeetis that most fatties have.
As a general rule of thumb, any diet advice from someone who uses the term "fatties" is probably best to ignore for safety sake.
As for fasting being a known healing technique for millennia ... (as in thousands of years) I really have to say 
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