Tuscany, especially in Florence and Livorno,
(the marquis) •
Used to indicate menstruation in some parts of Tuscany. It is actually "the red marquis", literally "the marquis dressed in red". It is used with the metaphor of a visit.
"Non mi va di andare a nuotare oggi, c'ho il marchese." "Il marchese doveva venire già da un po', mi inizio a preoccupare."
"Sorry I don't feel like swimming today, I have the marquis." "The marquis was supposed to visit but he didn't, I'm starting to worry."