Ratberry Share definition Flag using blackberry for 'ratting' or trying to pull a women on BBM (blackberry messenger) in order to get some action *guy on his Blackberry, messaging a girlfriend: put away the ratberry you whore Ratberry by mazzaroo28 December 31, 2011 0 0 Get merch Get the Ratberry mug. Buy Now — $32.95 See more merch