it stands for pretty punz.
do not question it
pesron 1: I saw chat spamming pp what do they mean?
person 2: Oh, its just an acronym, stands for pretty punz
PP hard is when your dick is very hard and u just want to break u dick bones in somebodies pussy. if you watch spongebob on pornhub you will know how it works and it doesnt really hurt just do the PP job and your balls will bust. -bella,7