partying the red sea

The act of having sex with a women when she is on her period. This primarily involves people who are very horny and/or drunk.

Brice- "Dude, I got so stoned and was partying the red sea all night."
Noah- "Same dude. I was there. There was SOO MUCH BLOOD!"
Zoë- "Yea there was.... sorry bout that..."
Noah- *shutters*