POPP is a term used to described children who are stupid due to the poor parenting skills their parents had.

It is an acronym for Product of Poor Parenting.

It can be used to describe children who are loud, rude, inapropriate, stinky, horny, and unmotivated.

A child can be characterized as any one of those, but it is not his/her fault, it is the fault of the parents. The child is intrinsicly well off, regardless of how much the parents screwed 'em up.

A casual invitation / threat used by an individual that is not afraid of fucking someone up.

the last name of the coolest person on Earth. i.e. Jesse Popp

An acronym for "Protect our Participation Points", an organization of people legitimately sharing information in order to protect their participation points from unfair homework assignments that would cause them to lose class participation points otherwise. They can usually be found in higher-level classes.