Definitions by Kimiluna

Rebecca Black 

The creator of a certain sound, called "Friday," which can be portrayed as music, but does not reach a level of music to be called a "song." The chorus of this "song" is simply Rebecca Black saying "Friday, Friday," repeatedly in a slightly obnoxious voice.

Person 1: "What word can you use to describe a really bad song?"
Person 2: "Rebecca Black."

Rebecca Black by Kimiluna April 13, 2011