When a girl uses instagram to make herself appear attractive when in reality she is nothing but a skag. Seeing an IG girl online can be compared to seeing some troll with your beer goggles on
Guy1: Damn bro that Becky chick wants to hang out this weekend! She looks fine as fuhh!
Guy2: You're trippin man. She's an IG girl all the way. As your friend dont jump on that grenade!!