Brightness 

The coolest button ever on the Apple Display. The brightness button can fix computer problems, cure cancer, and break ice. It is the only solution to every problem in the world.

**akward silence**
Person 1:BRIGHTNESS!!!!!
Person 2: AWWWW YEAH SON!!

Brightness by Fuhtuhwuh Productions April 3, 2009

brightness 

when something appears to seem very bright and when it hurts your eyes because of its brightness.

1] things like the brightness of the computer screen, a cellphone being used in the dark etc...
2] makes your eyes sting.
3] too bright to
look at.

brightness by the wind is changing September 12, 2005

Brightness 

Hottest person ever

Do u know Brightness she’s so hot zavia likes her

Brightness by Cheeseche April 17, 2021

Brightness cheating 

The act of cheating in a video game by turning the brightness all the way up. Many view it as a crime against nature.

Guy #1: So have you, like, beat Bioshock yet?
Guy #2: Yeah, but I'm guilty of brightness cheating.

Brightness cheating by Smorgashforgan January 21, 2011

64 Brightness 

code that refers to "the police" in certain parts of the west side of Huntersville. A part of the new language "whack"

Man you better get off the streets I heard the 64 Brightness was out tonight!

64 Brightness by bigdogletsgetit October 21, 2016

Not the brightest bulb in the chandelier 

Someone slow, dimwitted or stupid - another way of saying "Not the sharpest knife in the drawer". Also, someone who stands out in a crowd as being particularly unintelligent.

Marisa: Why does Eric even bother talking in class - he has no idea what he's talking about.

Michael: What do you expect? I mean he's not the brightest bulb in the chandelier!

Not the brightest bulb in the chandelier by SpencerDuhm March 15, 2009

not the brightest lightbulb in the chandelier 

as defined by the reality TV show Forensic Mysteries on HLN, this a synonym phrase for "not the brightest person around"

boy 1) yo come to my backyard, i want to start a party by going out to weed

boy 2) are you an uptard, your dad, or mom will notice.

boy 1) nope my mom is not even home from work and my dad is not the brightest lightbulb in the chandelier, he will think we are trying to burn Cheetos on the barbecue or something.

not the brightest lightbulb in the chandelier by Uncle Dimma March 16, 2013