Sex is sex. You guys that cringe at the idea of fucking a fat chick are just too juvenile in your approach. A you grow older, Bob Chick and Ron can relate, fat/skinny makes no difference. A pussy is a pussy and so as long as you can successfully plant your penis in there, it makes no difference. The overall outcome is the same, you will reach orgasm and she will be left asking when the favor will be returned.
As for the tranny... 90% of you guys are lying when you say that you wouldn't hit that.
I say, skip all the bullshit between deciphering whether a fat girl or a perfect looking tranny would do the trick and instead pick the choice that beats both:
A well-hung, perfectly built male with a gaping asshole,
"1"