1) One of the three primary colours of paint. When mixed with yellow, it makes green, and when mixed with red, it makes purple. It is opposite orange on the colour wheel.

2) One of the three primary colours of light. When mixed with red, it makes magenta. When mixed with green it makes cyan. It is opposite yellow on the colour wheel.
That is a nice shade of blue.
by Psychic Jack September 13, 2003

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The color that a mans dick will be after he gets a blow job,hand job or keeps fucking around with ugly bitches that ain't me!
Girl slow down my dicks turning blue💦💦...oh fuck I'm coming... sss stu stu stoooop
by Yahvahel September 18, 2016

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Blue is the default name for your rival in "Pokémon Red & Blue". You fight him at least 6 times, with the final time being when he has become the Pokémon League Champion.
Blue: Red! Do you know what this means? It means that I'm the most powerful trainer in the world!
by TheBlueHedgehog May 07, 2016

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Unique and rare name. More common in girls.

A odd guy. Typically smart, and devilishly handsome. He cares too much about he looks like. He's nice to everyone. Blue's usually are usually very respectful and knows his boundaries.
Girl1:oh my god is that blue?

girl2: he's so nice

Girl3: totally love his hair
by yellowtags April 09, 2016

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drunk off your tits
man im so blue,,, i think im gonna yack!
by lachie2116 April 15, 2015

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The answer to any and all Mathmatical Problems

AKA: 4
1 + 2 = Blue

7/5 = Blue
by 4 February 22, 2005

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That hilarious old guy from the movie 'Old School' .
ya blue! you get inducted into our frat!
by Anonymous August 13, 2003

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Colour of a necrophiliac's best friend
Said in a deep south accent: "I'm a-goin' home to hump my blue"
by It's me April 04, 2003

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