Drug fucked individual at a rave. Also used to describe a post drug fucked individual who is doing/saying really stupidly funny shit in their scattered state.
Stems from ancient scottish traditions of having gurner competitions which were competitions in facial contortion to pull ugly faces.
did you see that gurner in the nrg room with twenty fucking glowsticks, not to mention the fucking whistle?!?
a penguin wearing a jacket, what are you going on about you gurner?