euphemism A humorous term for a menstrual period. A pun on the "flow" of blood and tissue from the uterus. Ugh, I have horrible cramps because Aunt Flo has come to town.
Aunt Flo
n. a woman’s menstrual period. (see also visit from Flo. Refers to the menstrual flow.) I am sorry to announce that Aunt Flo has come for a visit.
to up (from the flo up)
(ˈto əp frəm ðə ˈflo əp)
mod. tore [torn] up from the floor up = messed up; hungover. (Streets.) What’s in you? You to up from the flo up!
visit from Flo
(...ˈflo)
n. a menstrual period. (see also Aunt Flo.) I am expecting a visit from Flo, but she seems late.