Code Red

When yo' boy trying to f*** but she's on her period

Yo Jimmy why you out with your boys on Valentine's day? Damnit Tim, I'm on Code Red

Code red

Code red is often used by girls to secretly tell their friend that they recently got their period.

Girl: "code red, got it last night. I hate my life"
Friend: "omg that sucks"

Code Red

When your girl is on her period, hence red.

Nick: Are you guys gonna smash tomorrow?
Joseph: Nah dude
Nick: Why bro?
Joseph: Code Red
Nick: Oh snap sucks bro.

Code red

When your girl or a girl is on her period.

Mike: how you and your girl doing?
Danny: we doing alright but she got a code red right now.
Mike: oh damn do you need a place to hide? you can crash here.