Rahrah Share definition Flag noun - a tantrum or angry outbust, usually used as "have a Rahrah". Rahrah is to anger what Wahwah is to whinginess teacher: *gets angry, yells at student*student: aw well have a rahrah! Rahrah by Jerry54 May 14, 2009 0 0 Get merch Get the Rahrah mug. Buy Now — $32.95 See more merch