CACD Share definition Flag Internet abbreviation for "Chuckling at computer desk". Also, can be used as CAC, "chuckling at computer". That picture of the cat doing that thing with the laser has got me CACD right now. CACD by pigg2123 January 9, 2014 0 0 Get merch Get the CACD mug. Buy Now — $32.95 See more merch