When a chick is giving you a handjob, and she's twisting her hands as she goes up and down, she accidentally twists the wrong way and gives your dick an indian burn.
Simply put, its another term for that dreaded 3-7 days a month of a womans menstrual cycle commonly referred to as her period, a way to bring it up in conversation and not be embarassed or embarassing.
How long is your redman concert in town for? Do you have enough tickets? (tampax pads)
What day of the redman concert is it? Is there a lot of people attending or a little? (People = Amount of blood she's menstruating)