poohsie Share definition Flag another word for calling someone a pussy. it is usually only used in a joking manner, when talking to your close friends who will get it. Kyle, you are such a poohsie. get rid of your mega-ovaries. poohsie by alysecat August 4, 2007 0 0 Get merch Get the poohsie mug. Buy Now — $32.95 See more merch