Shark Week

The time during a woman's menstral cycle in which she attacks and tries to murder those around her.

I'm not going over to my girlfriend's place until Tuesday- it's shark week over there.

Shark Week by fuckfacebitchez February 27, 2015

Shark Week

The week of a girl's period.

Kay: "Taya, Shark Week for you is starting soon."
Taya: "Oh shit, have you started?
Kat: "Yup"
Michelle: "Well fuck, that means I'm starting soon, too!"

Shark Week by DeadRoseBringsMusicToMyEars May 16, 2014

Shark Week

Sharks like blood. Women bleed once a month. Shark week.

Dude! Do a little xbox today?

Can't. Shark week.

Shark Week by Big Black Deer April 29, 2014

Shark week

The term referring to "that time of the month" (her period.) This term is derived due to the fact it feels as if Jaws is down under and fucking things up worse then thunder ever could. Thunder down under

"Man what's my women's problem?!"
"Dude it is obviously shark week"

Shark week by Spelvirki July 23, 2016

shark week

a shark's brain looks like a vagina hence, a girl's monthly period is called Shark WEEK

Shark week this week. Crap :(

shark week by iamsomerhalder October 23, 2010

Shark Week

If you have a girl who gives blowjobs with a lot of teeth involved, it's that time of the month where blowjobs are all you get because she's on her period.

"Johnny said he's been chewed to pieces by Sally - I guess it must be Shark Week again"

Shark Week by AGeezy September 14, 2009

Shark week

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."

Shark week by solstice December 24, 2014