Definitions by Savannah is a slut

3rd plague 

Menstruation; otherwise referred to as a girl's "period", a term one would use to address a girl's cycle.

"Ugh i got my 3rd plague today.."

"I'm not pregnant! I got the 3rd plague, even though i was a few days late!"

3rd plague by Savannah is a slut March 9, 2009