Poos cake is someone who is a friend but also ur poos. The origin of this word comes from Fayerweather Hall at the the University of Rhode Island. Two pals decided to get smacked and started saying poos for whatever reason. The rest is history.
When an individual feels the need to have superiority over their counterpart. Manifests itself as “out-doing” every conversation/experience e.g. I did one poo, but they did two poos.
“Oh Mike is such a two poos, told him about my dad’s heart attack and he told me his dad has had TWO heart attacks”