What is Granny Fell Off The Roof And Has Her Arm In A Sling?
Another way for a female to say she is menstruating.
Girl #1: Are ya' going to the lake today?
Girl #2: Naw, I can't. Granny fell off the roof and has her arm in a sling.
Girl #1: Aw, that's too bad. I'll catch ya' later.