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1) In the US military, the term Red-Con is short for Readiness Condition and is used to refer to a unit's readiness to respond to and engage in combat operations.

2) When a women suffer PMS it is said that she is in a state of RED-CON One because of her possible mood swings and readiness to fight over any subject.
We're going for the dinner but I have a Red-Con one bud. Meaning: My wife is really bitchy today and she has PMS so don't make inapropiate comments (bring bullet proof vest might be apropiate)
by jorge5887 March 01, 2009
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2
A loaded weapon with a round in its chamber, but with the safety on.
First squad! Let's go, we are red-con one! No firing unless ordered!
by Kriegsmarine January 21, 2009
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