runefag Share definition Flag Someone (usually aged 11-15 years old) who plays RuneScape, constantly talks about it, thinks people care about what they did on RuneScape. person 1: I'm almost 99 strength bro person 2: nobody gives a fuck runefag runefag by Sublyzim October 6, 2009 0 0 Get merch Get the runefag mug. Buy Now — $32.95 See more merch