"Steve! Don't be such a weenis!"
a. The skin is the Olecranal skin
b. You are just obsessed with saying penis if you say weenis constantly
Gary: "You just want to say penis don't you"
Bill: "Nu uh. Weenis is a medical term!"
Gary: (pulls out medical dictionary to find nothing on weenis)
So if you weren't quite a Wussy (Weiner/Pussy), and you were kind of acting like a dick, you were a Weenis/Weenus.
"There is no such thing." Said my Dad, frustatingly.
Quietly, I laughed, knowing I had once again succeeded in one of my pranks.