Brain Marriage (or marriage of brains) is a term used when talking about 2 or more individuals from diverse backgrounds coming together to achieve a common goal, task or project (mostly in business).
at a board meeting
CEO - Project 3.0 is the next big thing. What we need to achieve it is a brain marriage between all of us.

Heads of Marketing, Design, IT and Sales - nod in agreement
by thewomanfriday October 6, 2019
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ETERNAL MARRIAGE = a doctrine taught by Mormons wherein couples are married for eternity.
Most Christians teach that people are married "until death do us part".

Most people are actually married "until divorce does us part".

But MORMONISM believes in ETERNAL MARRIAGE.
by Isaiah Fourman March 17, 2009
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Platonic Marriage is when you decided to go fuck it and marry your best friend(s) because who’s gonna stop you? God?? Any who the only benefits there are to being platonically married are tax benefits so have fun w that!!
by newwy February 24, 2021
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The term "marriage strike" refers to a movement by young men in Western countries to not get married, out of fear of financial ruin stemming from later divorce.
She keeps asking him about tying the knot, but he's joined the marriage strike.
by Kai Thorsten June 28, 2008
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Intentionally disparaging institutional slang term for when two incarcerated individuals who have fought or exchanged threats formally agree to get along and not hold animosity toward one another.
These two have willingly signed a marriage chrono, they can both stay here on the same yard with no worries and more importantly, no state liability.
by Dr Bunnygirl January 2, 2019
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A Boston marriage is a polite term to describe two women living in a household and sharing expenses, whether in a Platonic or lesbian relationship.
Molly and Bridgit were in a Boston marriage and co-owned a brownstone.
by Nora O'Shaughnessy November 7, 2007
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The term "marriage strike" refers to young men in Western countries deciding to not get married, due to high divorce rates (50% in the U.S., and as high as 75% in California, which is not included in the U.S. average). A perception that marriage is a financial disaster for men, especially during divorce settlements, is generally believed to be driving the marriage strike phenomenon.
She keeps nagging him about getting married, but he's on a marriage strike.
by Kai Thorsten June 27, 2008
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