P cup Share definition Flag Some of the biggest darn boobs on this planet!!!! owned by Fuko, the japanese model! guy: OMG! look at those tits! there's no bra big enough to hold them! guy2: i know. that's fuko, she's a p cup P cup by shirtbuster May 24, 2010 0 0 Get merch Get the P cup mug. Buy Now — $32.95 See more merch