red river 

A girl at "that" time of the month.

When the red river flows, take the muddy path.

red river by BigPimpDaddy May 7, 2004

Red River 

A Girl on her period

You can run the Red River, just don't drink the water!

Red River by roast November 15, 2002

red river 

When the red rivers flowin', Take the muddy back roads.

Dude, you don't wanna go there this week. I hear the red river is flowing, You need to go up the muddy back roads.

red river by cowboy-russell December 23, 2005

Red River 

When a Female Has Her Period while wearing white pants and forgets to use a tampon and the blood runs down here legs.

Me: Hey dood, Did you see katie?
Him: Yeah man. She was totaly just
Red River all up on 'dem pants
Me:Yeah 'dat shit it fuckin' Nasty.
Him: No shit.

Red River by Big Nig Aaron May 16, 2005

Red River 

the Red River is wen girl on her period (mostly notisable when the girls dont where a pad/tampon, or are just realy unclean)

wem battling the red river timmy always remember if the river flows red take the dirt track insted

Red River by AzDel November 21, 2005

red river shootout 

Having sex with a woman while she is on her period.

"They're upstairs doing it"
"I thought he said she was on her period"
"I guess it's a Red River Shootout"

red river shootout by drohrich December 14, 2008

Red River Shootout 

When a guy fucks a girl who is on the rag (menstruating)

(His semen shoots at her red river)

The annual Oklahoma vs. Texas football game is NOT the Red River Shootout; it's the Red River Rivalry!

Red River Shootout by MOCO & P-Phat February 11, 2009