First definition: Imagine your in a room with your girls, and some bitch says something shadey, and keeps throwing out low blow, back handed comments/compliments. Instead of popping off you shout ‘Blu Black’ to let your girls know something has been said, we need to discuss this later.

Second definition: You, yourself or one of your girls is saying something or doing something they shouldn’t be or they/you are doing something obviously petty, emotional, funny, a major key has been stated. You call out ‘Blu Black’ to let your girls know they need to calm down, cool down, step back, come here, go have a quick chat about it.

Definition three: Some drama or something major has been done or said. Good or bad, but no one has realised but you. Shout ‘Blu black’ and your girls will know and come to your side.
You leave the room your man’s in, a petty bitch starts getting closer to your man, flirting or saying shit she shouldn’t be.

Your girl realises but your not in the room…

All you hear is someone shout Blu Black with their chest from another room.

Instantly you know, somethings gone down.

So you come back into the room you heard the alarm come from, casually and sit next to your girl.

Next thing: You either leave the room then to discuss it, leave it as a reminder to discuss this later or simply pop off!

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Imagine, the man/woman you or one of your girls don’t like enters the same place your in. You quietly walk up to her and say Blu black … She knows something not right, so you go off to talk about it.

Imagine, you are doing something or see something you asked your girl to warn you about, she sees it. Shouts Blu Black! So your instantly on guard.

Imagine, your in a club, your in the toilets and your girl is in one of the cubicles. And some dumb bitch tries to start an argument with you or is being rude and petty. You shout Blu Black in the toilets, with your whole chest. Your girls come running out because it’s beef.

You’ve lost your girls in the club, festival, toilets, a crowd, bar and you shout Blu Black… So come running to find you.

Ultimately Blu Black is a warning.
by Waxing Gibbous July 12, 2022
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a moviestarplanet 'legendary' forumer. very stubborn and naturally rude but can be fun to hangout with. be aware of the fact that she thinks that she is super big and popular.
"Have you heard? @blu is back!"
by sarahissoextra July 19, 2017
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