a phase in which the male sex organ know as the penis, or cock, becomes some what aroused but has yet to become a full hard on erection. Also known as half staff.

Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.

When your viagra is a dud, and you get blue-balled hardcore.

When you are half turned on but also half not.