When the red river flows, take the muddy path.
by BigPimpDaddy May 7, 2004
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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.
by cowboy-russell November 14, 2005
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A Girl on her period
You can run the Red River, just don't drink the water!
by roast November 16, 2002
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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.
by Big Nig Aaron May 15, 2005
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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
by AzDel November 5, 2005
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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"
by drohrich March 5, 2007
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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!
by MOCO & P-Phat February 12, 2009
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