mumsnot's definitions
It's a continuation of the popular game of "sticky biscuit" where men masturbate over a biscuit inserted in a lady's vagina. Except in this version the lady is on her period.
"Oh man, you missed a great game of jam on a biscuit last night. That menstruation sure tasted good"
by mumsnot July 9, 2014
Get the jam on a biscuitmug.