buttbooking Share definition Flag The act of accidentally posting a nonsense message to Facebook by sitting on your phone. A typical buttbooking update:Joe Shmoe: lll,,ll,;;.. 2 hours ago via Facebook for BlackBerry buttbooking by PseudoNoise July 14, 2010 0 0 Get merch Get the buttbooking mug. Buy Now — $32.95 See more merch