The act of not showering with the belief that doing so will increase their pheromones leading to a level in which they'll attract the opposition gender or preferred gender
When a man doesn’t shower or wear deodorant specifically to enhance his body odor in hopes that a woman’s “natural mating instinct” will kick in and she will be immediately infatuated with said “Pheromone Maxer”.
“Hey chat, gonna go Pheromone Maxing at the MTG meet-up. Chicks will be all over me!”
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.