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6.
When ones period falls at a very inconvenient time, like say a festival, a weekend at the in-laws, sitting on a bus in a white skirt (two unfortunate situations going on there!)
GUY "Oh god I'm so horny, I want you so bad..."

sound of tent and sleeping bags rustling ...

GIRL (moaning) "Yeah stick your fingers in my pussy.."

GUY "Oh yeah baby you're so wet ...."

GUY screams!!!! "FUCK!!! Code red code red!!!!!! fucking skanky bitch!!!! BABY WIPES!!!!!!!!!!!!!"
by smeggles182 June 10, 2010
 
1.
"Code Red" generally applies to any girl who in that particular situation (e.g. The Griffin Inn, Dale) looks quite attractive due to there being a lack of any actually attractive girls in the vicinity. As a result this girl will suddenly find herself idolised and surrounded by up to twenty suitors (posing as a film crew for example) very quickly.
Me: 'Yo, yo! Code Red, over there!'

Pimp: 'Jean Claude Van DAMN she's fine'
by Gooneytothemax July 21, 2009
 
2.
describes the condition when diarrhea is inevitable and a restroom of any sort must be found immediately. This is preceded by code yellow and followed by the dreaded code brown.
Uncle Charlie rushed to the nearest bathroom as his condition worsened to Code Red. It was likely to be a photo finish.
by Alfonso P. McLean April 13, 2004
 
3.
A rule, code, convention or practice that is unwritten so it is plausibly deniable by those who order, use and/or enforce it. It is unwritten because it is illegal, unethical, amoral, unconstitutional, and/or violates social conventions, sworn oaths, the Rule of Law, Natural Law and/or the democratic Process
In the movie, "A Few Good Men", Colonel Jessup had his subordinates execute a plausibly deniable Code Red to physically discipline another soldier under his command.
by Don Mashak-The Cynical Patriot October 09, 2013
 
4.
A person that one might strongly want to avoid.
Rosalind- "...yeah totally, same"

*dude that Rosalind hates walks in*

Emily- "oh shiz! CODE RED CODE RED CODE RED!!!"
by Rosalinda Coocaracas November 24, 2013
 
5.
Military term for highest authority action given primarily in extermination by all means necessary.
Execute order code red, kill everyone.
by Mj. Steve August 11, 2007
 
7.
when you manually set your status to offline on social networks like facebook, or even on yahoo chat and a red icon appears
"code red " on social networks like facebook, or even on yahoo chat and a red icon appears after setting im status to "offline"
by kosha80 April 09, 2009