Laffy Daffy Share definition Flag A phrase used to describe marijuana that makes you laugh uncontrollably for no reason. Person A- Laughing uncontrollably. Person B- Its that Laffy Daffy shit, son! Laffy Daffy by Ripper34 December 20, 2008 0 0 Get merch Get the Laffy Daffy mug. Buy Now — $32.95 See more merch
