Wackberry Share definition Flag A PDA (personal data assistant) that attempts to rival the infamous Blackberry phone, but is in fact useless and inefficient. Hey, what is that a T-Mobile dash? What a wackberry. Wackberry by Tom O'C. January 22, 2009 0 0 Get merch Get the Wackberry mug. Buy Now — $32.95 See more merch