P-Factor Share definition Flag (n) 1. The measure of quality of and quantity of attractive women at a given location at a specific time. See also "PenilityFactor." 1. The P-Factor at that new night club is highest from 11:00pm through 2:00am. P-Factor by Ronniucci June 21, 2010 0 0 Get merch Get the P-Factor mug. Buy Now — $32.95 See more merch