Nobbensohn is a German curse word mostly used to insult people or alternatively to compensate for one's own abilities in a derogatory way. It was discovered by a member of the famous GAR Discord server while playing popular video game Minecraft. Since, it is used frequently by members of said Discord server.
Person A: "You suck at this game."
Person B: "Shut up, Nobbensohn!"
Or:
Person A: *Defeats Person B in a video game or behaves a certain way*
Person : "This fking Nobbensohn!"
Aka the Facebook weather police. They moan their asses off when it's too hot and totally piss their pants during a thunderstorm. "OMG it's raining outside"...You don't need a Facebook weatherman to tell you which way the wind is blowing!
Did you see all the Storm Nobbers on Facebook last night? ...Yeah...what's all that about!?