You have any biscuit of your choice right, your partner (preferably female) is on her period and you dunk biscuits into her blood and chow down on dem soggy digestives
Yoooo just had a biscuitperiod and let me tell you, it was a bloody fucking mess
Revenge for not phoning your ngirlfriend enough or buying her presents or lunch or fucking cinema tickets or what the fuck she wants...usually conducted during sessions of oral sex.
A week during which men can engage in manly activities and espouse misogynist beliefs without fear of backtalking females. Unlike the female phenomenon, it is non-cyclical and can occur at any time; but only once per calender month.
"No, honey, I can't mow the lawn today. I'm on my anti-period so I'm going to drink beer and watch football with the guys."