During concerts fans will flail their cellphones and light sticks as the artist(s) performs, creating an "ocean" of light from the perspective of the performer. A "black ocean" is a trend in K-pop (Korean Pop or music) where the audience turns off their light sticks and cellphones as a show of lack of support to the current group onstage. When done collectively, it appears to the performers as a "black ocean" due to the lack of lights from the audience. Usually only happens in extreme cases. Then again, "extreme" is a subjective word when it is put together with the craziness and stupidity that is the hardcore fans of K-pop.

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.