Shark week

[Tina]

the week a woman experiences menstruation

[Rihanna]

The week during which a woman has her period. There will be blood, an uncomfortable sense of tension and a bad tempered, unpredictable beast.
Take heed during shark week. If you show signs of weakness or aggression, you will be attacked. If you get attacked, it will be all your fault, infinitely more traumatic for her and youll never be allowed to forget it.

[Couch Potatoe]

A week during the summer in which Discovery Channel airs its annual Shark Week and everyone on earth pretends to watch it and makes sure that all of their friends know by plastering stupid shit (e.g. Facebook status updates) all over the Internet. Usually no one really knows when Shark Week is until it actually happens because no one really cares about sharks any other week of the year. An overhyped show that everyone just claims they watch to look cool in front of their friends.

[Sonia]

the best week of your life.

[Tanya Shivari]

The week prior to menstruation in which a woman may experience extreme mood changes, cravings for chocolate, cramps and bloating.