Sanitary towel, used by menstruating females. Jam = blood, + rag.
Cognate with 'on the rag': menstruating.
She needed to change her jamrag.
n. a used tampon or sanitary towel
she left her jam rag on the floor, that's bogging
Sanitary Napkins, used by women during menstruation. These of are often disposed of into a container next to the water closet, they are often fall into the hands of a pedal bin vampire
Sandra applied the jam rag to her vulva, since her menstrual flow was heavy, and chewy bits
hey, you pervert, stop sniffing my jam rags
A 'jam rag' defined would be a piece of cloth used to absorb blood from the menstrul cycle.
Ergo, the person the insult is fired at is the rag.
You fucking jam rag!
The cloth or paper towel used to wipe away the jam from one's face after devouring a jam filled doughnut.
After polishing a doughnut off in the cafe she grabbed a paper napkin to wipe away the excess jam residue from her lips and surrounding area thus creating a 'Jam Rag'