bish plz Share definition Flag A much more...kinder way of saying: BitchPlease. Also used as a form of chatspeak on fourms by the "1337" User1:YO MAMA User2:BISH PLZ. bish plz by Ren-REn October 7, 2006 0 0 Get merch Get the bish plz mug. Buy Now — $32.95 See more merch