Recently popular internet singer. Became an overnight celebrity after her video "friday" featured on a comedy website. Characterized by heavy autotune, inane lyrics, and a general lack of singing proficiency. Debate is raing as to whether she is a legitimate, albeit untalented, singer, or the face of an elaborate spoof. Can also be used when somebody has said something blindingly obvious (something similar to her lyrics).
ex. A:

"So, um, is this Rebecca Black legit?"
ex. B:

person 1 : "so, today is friday, which makes tomorrow saturday! and sunday the day after that!"
person 2 : "bit of a rebecca black moment, don't you think?"
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1) Author of the most profound theory on spacetime since Einstein...single-handedly discovered the correlation between Friday and getting down; published said theory in a complex song that has since been widely accepted by the scientific community as correctly placing Friday between Thursday and Sunday.

2) A modern day Shakespeare. "Which seat should I take?" a metaphor that juggles the internal paradox of sitting up front in life or sitting in the back seat.

3) The 13 year old love-child of Antoine Dodson and Britney Spears
Person 1: "Hey did you hear that new Rebecca Black song?"

Person 2: "Yeah, thank God she cleared up the days of the week because waking up and crushing Four Locos on Tuesday was just NOT working out for me"
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Dubbed by the world and the internet as the worst singer ever noticed by mankind. She even rivals Justin Biebers singing talents, and the song is worse than Rick Astley's "Never Gonna Give You Up".

If you don't believe the universe, Google it and be amazed by pure talent (sarcasm).
Tim: "Hey Joe, check out this song I found on Youtube! It's got 36 Million Views!!"

*later*

Joe: "I fucking hate you. Rebecca Black blows more cock than Justin Bieber!"
by Chodealini March 23, 2011
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A hoe bag that always spends too much time looking at memes and has an obsession with Anna Kendrick
Rebecca Gilhooly is such a swine
by Hiya , well January 22, 2019
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to be utterly tortured by the music video of Friday by Rebecca Black thinking you've just clicked the link to an intrguing video
Jake: Hey Nate!! Check it out-I found some crazy-ass
YouTube porn.

Nate: (runs to Jake's bedroom) You better not be lying
man. I've been dying to get me some of this shit.

Jake: Me too, man. Alright. Let's do this. (clicks on the
video)

Nate: (sees a hot girl undressing) Damn this is soo...Oh
WTF??!! (now sees the beginning of Friday)

Jake: No!!! No!!! Not that stupid bitch! (Rebecca Black
starts singing) OMG! Quick Nate close the box!

Nate: (jamming his fingers on the mouse on the X) I am-
it's not working!!

Jake: Then turn down the volume. (starts puking once
the song breaks into chorus)

Nate: Dammit! It won't work either!!

Jake: Aww crap!!

(He and Nate start screaming while trying not to throw up. Once the song was over, Jake's mom found them dead on the floor. She then looked up at the computer screen and saw the Friday music video right in front of her.)

Jake's mom: OH NO!! They've been Rebecca Blacked!!!!
by thecomputerninja April 16, 2011
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To be a dumb bitch that can't sing for shit, only to auto tune the shit out of your voice, put in on youtube, get views only because people are mocking your stupid song, and think you're cool. We're laughing at you Rebecca, not with you. We We We so laughing at you.
The majority of todays music actually, not specially Rebecca Black.
by IhateRebeccaBlack March 17, 2011
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A 13-year-old singer who knows the order of the days of the week.
Albert: Dude, I'm so glad that tomorrow's Saturday.

Marshall: I know, and the day after that is Sunday!

Albert: .....

Marshall: And yesterday is Thursday!

Albert: .....

Marshall: And today is Friday!

Albert: What the fuck is wrong with you?

Marshall: I just learned it from that Rebecca Black song about fried eggs!

Albert: .....

Marshall: Damn, I want some cereal.
by Slartibartfast11 March 24, 2011
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