Is to send a text message after already sending a first text message and not receiving a reply, usually to a member of the opposite sex that one is interested in. The double tap is often a rookie mistake that everyone makes in their life and it usually comes off reeking of desperation (which in turn puts of the recipient of the text even more).

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.