Blue flag

Generally a blue bandana, most commonly used by Los Angeles street gang known as the Crips.
"You see the blue flag in his left pocket? That's a Crip."
by VQC BK December 18, 2009
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red and blue

Slow down, I see the red and blue got a speed trap up there.
by Sean Piece August 29, 2003
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Blue Anon

A leftist conspiracy ideology so offensively true they had it removed from a fake slang dictionary
All these lefties offended bring called out for being part of Blue Anon because it's true.
by Theorist84 March 07, 2021
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Blue Madonna

An untouchable woman with a captivating orea, beautiful or great in height, secretive and balanced.
Someone must have sent me to heaven
Blue madonna down by the pool
by Blue Madonna June 14, 2018
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Blue Bolt

In Dungeons and Dragons a Blue Bolt is when a players character is suddenly struck by a bolt of lightning that ignores all ArmorClass, Spell Resistance, or any form of resistance. There is no avoiding, dodging, resisting, or surviving or resurrection from a hit by a Blue Bolt. A Blue Bolt can be summoned anywhere anytime without reason by the DM and it is traditional for the DM to first ask for a players character sheet, promptly tear it in half and pronounce that the player was hit by a Blue Bolt.
"Dude last night Ben's character was hit by a blue bolt. He is soo bummed"
"Ya, I heard he ate the last piece of pizza and the DM was super pissed. Ben got what was coming to him"
"For sure"
by Rytherix January 29, 2009
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Fossil Blue

A cool kind of watch made by Fossil. Usually has a blue screen, hence the name Fossil Blue.
Dude, I just got a Fossil Blue for my graduation! Wait, wtf?
by Philip George September 19, 2005
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Blue Nun

A brand of German wine which is considered "tacky and dated".
Alan Partridge:
"Yeah I'll Just have half a bottle of Blue Nun"
by Bwanana January 17, 2008
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