You are highly proficient in penis anatomy and nomenclature. You understand dicks inside and out, a true penis expert.

You have clearly spent great time meticulously studying penises. Of course, there's always more to be studied.

Despite great enthusiasm for cocks, you deeper studies of penis anatomy needs more time. Get out there and do some field research.

You can hardly tell the tip from the ballsack. You're knowledge of the inner-workings of a penis leaves much to be desired. Stay in school, kids.