Fall off the roof American informal euphemism
If a woman falls off the roof, she menstruates.
Why is Janet so exhausted? Has she fallen off the roof?
If a girl has a little visitor, she is on her period.
A group of beautiful women.
Used to describe a girl or woman who is unattractive
An offensive word used to describe an irritating or unpleasant old woman
Since a period that no one can remember; since the distant past.
The verb "fall" must be conjugated according to its tense.
This phrase dates from 1930s.