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?"
Person B: "yeah, he was such a Luke Goter".
Person A: "did you see that weird dude buying 8 bags of pickle chips yesterday? "
Person B: "yeah, he was such a Luke Goter".