A person who knows everything, nearly to the point of omnipotence. Usually only proceeded in awesomeness by Samuel L. Jackson. Gumphers are also known to be skilled engineers and ninjas.
Someone who is called upon to provide great sexual pleasure after a person has gone a long time without sex or has been only experiencing bad sex in the past.
“Girl my date last night dick was so small, and the guy before him came in 20 seconds, I’m just gonna call my GurpTherapist to get me right!”
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.