A slug is an infertile egg. They don't always look like the one sadistic serpent posted. The egg in question is most definitely infertile, which means it is a slug.
Sorry Kaorte, I was looking for some good pictures of slugs on the Internet. That is the only I could find
~!* Mackenzie R. *!~
(Middletown, Ohio, USA)
~ 1.0.0 python regius "*Ozzy*". ~