I distinctly said "overwieght" to be diplomatic....kept me from saying fat as hell, but I see it gave you a loop-hole so you could jump on my case about it.
I'm talking about the extreme cases that never used to dress like that in public, and I never mentioned teenagers at all. Makes me wonder if you were going for extra point with the teenager comment. Teenagers have been dressing in strange garb since the beginning of time.
Given the number of people who referred to "muffin tops" in messages following yours, it's obvious that your message was not clear.
If you say what you mean, you will not be misunderstood.