Your mother is so fat that she has a high risk of developing cardiovascular disease.
You mother is so fat that I wouldn't want to sit next to her on an airplane. Or a theater. Or a bus. Really, your mother should just avoid sitting in public.
Your mother is so fat that she has a very low chance of ever appearing in Playboy. So it's not all bad.
you know, I only need to say one thing to insult your mothers... look in the mirror and remember she made you... if only she had a hysterectomy the world would be a better place....