Definitions by Robynoob

GC 

Get cancer, and its used in online video games such as league of legends in order to insult and don't make the automatic ban system trigger

Fucking Lee sin GC, hope you die soon

GC by Robynoob November 1, 2018

GC 

Used on League of Legends by "LadyNami" to say Get Cancer w/o being reported

Noob botlane GC

GC by Robynoob February 14, 2017