Dictionary.com defines transmogrify as a verb (used with an object) to change in appearance or form, especially strangely or grotesquely; transform.
Merriam-Webster defines transmogrify as a transitive verb: to change or alter greatly and often with grotesque or humorous effect.
Oxford dictionaries defines transmogrify as a verb: Transform, especially in a surprising or magical manner:
And with a little juxtaposition I am changed in appearance in a strange, grotesque, humorous and suprising or magical manner! I realize that to some indeed based solely on my weight I am a grotesquerie. For others even if I was a model of fitness and trim I would still be ahborrent if I chose to consider presenting myself in my favorite dress.
The perception will be in the eye of the beholder. It may not be truth even if 3 out of 4 people share the perception.