A snails penis. Just as a snails cunt is known as snunt, a snails penis is known as a snenis. These terms are all found in science text books, and are quite funny. It is also part of the snail launguage of adding the letters sn to a word. Included in the text book also.

A snails penis. Part of the snail language of adding SN to the begining of words.

A snaking penis. A penis with bends in it that resembles a snake. A snake-penis

When you penis coils like a snake