22
Referring to the time each month a female is on her period, especially when referring to a group of friends in which the females' menstrual cycles are in sync due to pheromones.
Guy 1 to Guy 2: "Man, we need to ditch the girlfriends this weekend, it's shark week."
by solstice December 24, 2014
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23
A time to have a fine monthly wine with your tuna, salmon, roast beef, egg plant, pumpkin pie, squash, (or whatever type of colored food you want to reference a vagina with) while dinning down. Also a week where you have something to wash down any fur, hair, or other foreign matter in the case of non compliance of the standard shaved winery hole.
"I'll be glad for Shark Week, I'm tired of such a dull tasting pussy."

For rednecks - "Yeehew, Shark Week, can't wait to git home an see my sister!!!"
by Wordsy McWordersan November 21, 2013
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25
The moment in a woman's life she bleeds a large or small sum of blood from her vagina.
Devilpole: Let's have sex

Bleeder: I Have Shark Week |Inserts Shark Bait|
by DevilPole March 29, 2015
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26
Where every women in the house falls on their menstral cycle at the same time causing a frenzy of chaos for the man.
Mother: I think I'm getting my period
Dad: oh crap it's shark week
Daughters: we're on our period
Dad: it's Fucking shark week !!!!!!!
by Flickybicky July 17, 2018
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