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 Goodemilyegg November 24, 2013
"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
A family-friendly way of denoting a menstrual incident or the threat thereof. In other words, someone's pad leaked and you can see it on their pants. It's perhaps most often used by medical professionals, who frequently have to use other codes so code red just fits right in.
CODE RED! Third floor, room 34, white fuzzy chair.
by Tsuki1776 July 4, 2019
Military term for highest authority action given primarily in extermination by all means necessary.
Execute order code red, kill everyone.
by Mj. Steve August 12, 2007
1. Red-colored Mountain Dew product.

2. One of the earlier computer viruses that propagated both by email and over network connections.

Both of these came out shortly before 9/11 and the Anthrax scare, causing no end of confusion among duh-weebs and n00bs.
Normal, but technologically unprepared person: I was just sitting there drinking my Code Red (1) when Code Red (2) DLed and started spamming everybody in my address book.

Duh-weeb: I understand you got a Code Red infection, but did you spill it on the keyboard or the hard drive?

N00b: It's just scandalous that none of the doctors knew what I was talking about when I asked for inoculation against Code Red!
by Downstrike November 11, 2004
When the specimen of a male species has some movement in his pants which causes a specific are to rise and a specific shape to form due to a kinky sensation.
Ma man Jacob got a code red from looking at Mr ________
by Jarence Ballesteros June 20, 2019
From yuh neva sex a gyal when she under Code Red, tell dem say nutten nuh go so.
by bobthebobsledder April 24, 2005