General: morbidly obese
The extreme end of the overweight spectrum, usually seen in humorous/fetish-directed art. Anything above obese (very fat) goes here. You know when Garfield used to eat so much his feet wouldn't touch the floor for a week? That's the kind of fat we're talking.
There's a scale of overweight-related tags:
1. chubby (plump)
2. fat (obviously overweight, but not drastically so)
3. obese (pot bellies, thighs like hams, etc.)
4. morbidly_obese (truly huge - barely or not at all capable of walking)
This tag implies the following tags: overweight