crimson tide 

A woman's period. Often used in the phrase "riding the crimson tide" -- which can mean "having one's period" or "having sex with a woman who has her period"

I'm riding the crimson tide -- you have a spare pad?

crimson tide by TechnoZombie September 19, 2003

Crimson Tide 

A lady's time of the month...

PERIOD!

To be 'on the blob' is to have a Crimson Tide

Crimson Tide by Lanz212 March 13, 2013

Crimson Tide 

Especially heavy menstural cycle, usually suffered by coeds in Tuscaloosa, AL

Peggy-sue couldn't keep her date with her brother to watch the Bama football game because her crimson tide overflowed her maxipad.

Crimson Tide by Voodoo-man 13 November 6, 2011

Crimson Tide 

An incest driven Alabama university named after a woman's period

It's that time of the month again, get ready for the Crimson Tide

Crimson Tide by issa mystery September 18, 2018

crimson tide 

Nickname for the University of Alabama atletics teams.

The Crimson Tide soundly defeated Auburn today on the basketball court!

crimson tide by Justin Lackey May 1, 2005

crimson tide 

another word for a woman's period; to be on the rag; to have a poon that looks as if Moses himself had parted the red sea between your thighs.

I am on the crimson tide this week. BLOODY PooN. ILove Jay Harve! Jason wants to lick my crimson tide...SHOCKER

crimson tide by bread infection December 28, 2005

Crimson Tide 

(sex term) when a girl is having her period and she stands on top of you and her bloody menstration run over your body

Dude, last night Ana just gave me the gnarliest Crimson Tide ever. It was so nasty.

Crimson Tide by D1234567654321 January 22, 2007