A "Luke Goter" is the kind of person you would see smoking an invisible blunt at a McDonald's or doing some weird retard dance in a public restroom. A "Luke Goter" can also be a very fun, comedic, and creative person. A "Luke Goter" makes the best memes.
Overall, a "Luke Goter" is an extremely random kind of guy.
Person A: "did you see that freaky guy yelling at nothing yesterday?"
Stands for "Girl on the Internet Syndrome". The condition of a real life female being so used to guys giving her attention for no other reason than her gender that she becomes conceited and bitchy. She often acquires an overly inflated sense of entitlement.