An act where either a male or female wears a kangaroo costume and masturbates their partner. It can be male on male, male on female, female on male, or female on female. The important criteria is the kangaroo costume.

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.