The Cardinal Rule a substantial rule that is in place in a certain situation or organization. And it must not be broken at anytime.
'You must never date your friends ex. thats the cardinal rule of friendship'

'You broke the cardinal rule didn't you? Spies don't fall in love' - NBC's Chuck

'Never date a co-worker, its the cardinal rule. because when it all blows up in your face. your screwed'
by Keyls April 6, 2010
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A pope who dies from a heart attack.
John Paul I died after only 33 days in his papacy. He was just another stroke cardinal.
by Misereant March 11, 2009
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Noun. Taken from BBC's excellent historical comedy, 'Blackadder The Second'. One becomes Cardinal Chunder if one vomits copiously in response to alcohol.
'What's that noise in the bathroom?'
'Ceri has just become the first female Cardinal Chunder, due to Rob's poteen.'
by The Moai March 31, 2005
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The Arizona are a shit show and are the worst team it the NFL wouldn’t suggest being a fan of that horrible franchise.
The Arizona Cardinals lost to a 3rd string QB in week 16
by RorRorTheDinosaur January 4, 2021
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the best boyfriend a girl could ask for, loving, caring, exceptional, perfection, treats you like your on the top of the world!! kieran cardinal is always going to be nicoles favourite person because he makes her feel the best she’s ever felt and loves her more than anybody else could ever imagine doing!! kieran cardinal is PERFECTION, husband material<3
kieran cardinal is the best boyfriend in the entire world!
by partygirl77 March 15, 2021
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Perfected in Ireland, A sexual act similar to a Sacramento Sweater, except with a redhead.
"My boyfriend Henry O'Malligan ruined St. Patrick's Day by giving me a Cardinal Cardigan."
by Kid A+ March 24, 2009
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A nickname for the Italian Cardinal Camillo Ruini, given to him in reference to Karl Rove. Ruini has been given this nickname due to his political interference in other countries.
We've got Karl Rove. The Vatican has Cardinal Rovini.
by jesster79 February 27, 2006
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