Dave's Law Share definition Flag That no matter where or when you go to a library, you will automatically have had an overdue book and owe a hefty fine. Sorry I can't pay for McDonald's, I had to pay the library who totally Dave's Lawed me. Dave's Law by A BLT. August 31, 2011 0 0 Get merch Get the Dave's Law mug. Buy Now — $32.95 See more merch