1. When a woman's vagina receives so much action she thinks she can't ever get enough of that action.
2. When either one male or female or a large number of males or females give action to a large number of females, and for an extended time.
"Dude, that party was a pussy fucking frenzy."
"He fucked my pussy so hard I wanted him to fuck it all night. It was like a pussy fucking frenzy."