Pin Gremlin

An internet user who is willing to fight in the comments of a YouTube video to prove that they were, in fact, the first to comment on it, demanding to be "pinned".

Person 1: "First! Pin me!"
Person 2: "No, I was first!"
Person 3: "Alright, we all know damn well neither of you were first, now shut up, you pin gremlins."

Verticle pinned

When someone is hair pinned and has it as verticle as possible to represent they have weed and willing to be a vender to sell some for the right price. May or may not be a dealer, but usually knows other hook ups. Generally down to smoke you out as well.

that guy is verticle pinned, he Will hook us up