1 definition by TheUltimateCool

A girl who sung the song "Friday", reached the top 100 downloads on iTunes and millions of view on YouTube, with 10x as many dislikes as likes.

Hated by many, Rebecca Black is also known as the female Justin Bieber. If the fact she isn't remotely attractive isn't enough, then her voice will certainly scare you away.
Rebecca Black is retarded.
by TheUltimateCool March 21, 2011
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