N2P Share definition Flag Acronym standing for "need to pee". Usually used in instant message conversations in conjunction with brb when one has to momentarily excuse themselves to use the bathroom. dolphingurl24: brb, n2pxsweetnsassyx87: kkdolphingurl24: i'm backxsweetnsassyx87: wb N2P by gabeezy July 2, 2009 0 0 Get merch Get the N2P mug. Buy Now — $32.95 See more merch