Refers to your cock. Your cock has a massive blue vein in it and it chucks man custard when at the climax of arrousal.
Come and suck on my blue vein custard chucker you filthy cunt.
by Bigsypowell January 2, 2016
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A chap's love length - particularly relevant when close to ejaculation...
"You know Mark - he's partial to a squat on the blue veined porridge gun"
by rubypuppateaux October 26, 2009
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A large completley erect penis with veins protruding from the sides of the swollen penial shaft.
She licked and gently stroked his cock for so long, it had become completely engourged, a "Vein Laden Meat Pipe" ready to penetrate into her soft, wet, gasping pussy.
by chauncey August 6, 2003
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Just as two can play at that game, two can drain the vein of one's backed up semen.
Buffy: "Did you hear Lance challenged that more than one Ho is needed to make him climax?"
Candy: "Oh really? Two can drain that vein!"
Buffy: "Game on!"
by GlazeHer April 26, 2014
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When your partner is nearing the end of her period and assures you that it is all safe. Yet, when you go down on her you get a 1/2 pint glass full of iron enriched gore.
#Hitting an iron ore vein
Hey is it safe?

Yeah don't worry babe, go ahead!

WOW I hit an iron ore vein!
by TheRealManuel April 3, 2018
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referring to to proclaim one's actions or words as coming from the Judaeo-Christian God when in fact the actions or words are not from God at all. Reference Exodus verse similar to "You shall not make wrongful use of the name of your God".

This commandment has nothing to do with the phrase "God dammit" as many superstitious simpletons have comes to believe.
Examples of taking the Lord's name in vein are:
"God told me that you should let me marry your 13 year old daughter"
"In the name of Jesus, I command you to . . "
"God sent me to do this"
"I am on a mission from God"
"God told me to tell you to send in 1 million dollars, operators are standing by."
"God hates fags"
"God hates America"
"God caused natural disaster A, B, C to punish group A, B, C"
"God told me blah blah blah"
by Neubian January 19, 2008
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