I completely get the joke about Thing having a foot fetish, but it's still confusing since he's essentially looking up pictures of, for lack of a better term, a different species. Is he also into bestiality?
I mean, even just asking that question is more thought than the writers put into the gag, I think.
If we run with the line of thought that "men" and "women" are opposites, what would that make hands and feet?
Where was Wednesday sleeping when she stayed over with Parker? Surely they would be risking Margeaux spotting her if they shared the same bed.