look up any word, like sex:
 
1.
Adj.- Used to describe either a person or animal as being grossly overweight; morbidly obese. Origin: comes from the appearance that the subject has shorter legs than normal due to their large bulk, either through a trick of the eyes due to the odd proportions, or by low-hanging pockets of fat that cover the tops of the thighs.
My cat has short legs.

She's got short legs.
by Doomlad April 02, 2007