n. Anger directed at people who commit acts of road rage, air rage, and so on.
1998
Rage Rage is defined as anger caused by someone else being angry about your anger!
1997
While the rest of the country slumps peacefully into the warm summer days (all nine of them) the staff at APE are becoming frenzied at the thought of all the "ragers" that appear to be rampaging freely round the highways and byways of Britain. In fact, we are beginning to suffer from a hitherto undiagnosed Nineties disease, "rage rage."
1995 (earliest)
I'm suffering from rage rage. If I read another 'rage' story I shall go on the rampage, like Michael Douglas in Falling Down.