I will step up and say that I imagine there is such a thing as too small, even though I've yet to experience it for myself.
Consequently, I can also imagine that there is such a thing as too big (and this is much easier to imagine - ouchies) even though I've yet to experience it for myself.
I think women, at least some of us (or maybe it's just me
), have a visceral reaction to the image of an erect penis and if it is large and shapely we are going to ooh and aah over it like we would the statue of David or an extremely large and well-formed cucumber, lol. But it doesn't mean we would rather fuck that giant, beautiful penis. Most women who have experience with sex know that it can be a major problem when the old cervix starts getting pummeled and would rather fuck a guy who's not going to cause us intense pain when the sex gets rough or intense.
This is just my take on the whole size business...