Jam week
A term describing the period of time when a girl is on her period. It's origin is rather obvious.
A: I bet you can't wait to get back and do her hard
B: Alas no, it's Jam week, goddamnit
B: Alas no, it's Jam week, goddamnit
jam donut week
Monthly female occurence which men don't understand, other than it stops (most of) them having sex with their girlfriends. Inspired by similarity in appearance, rather than taste. See also on the blob, got the painters in and Arsenal are playing at home.
"What' the matter mate? You look frustrated."
"Haven't blown me beans for days, Dave. Fucking jam donut week, innit."
"Haven't blown me beans for days, Dave. Fucking jam donut week, innit."