Noun. The vaginal discharge of blood produced by the uterus on a montly basis during a woman's reproductve years; menstrual blood (Army usage, circa 1985)
I wanted to fuck her, but she was on the rag and I didn't want to get my cock covered with groin gravy.
by Tunmy AuGratin February 24, 2006
Growling at all the herbivores, he rose from the feast, not bothering to wipe the groin gravy from his mouth.
by The_Inventor_of_Shrimp February 12, 2005