A penis of mammoth or mythical proportions.
"He had a wonder cock so extraordinary that even Chuck Norris would bow down before it's mighty girth"
One who has a large amount of physical attractiveness or has an equally attractive wonder cock
"Damn, Jenny gets so much play, she has a lot of cock appeal to the guys."
"That fool is so ugly, the only way he gets any action is the cock appeal of the inside of his pants"