dangover Share definition Flag When you stop drinking too early in the day, and you get a hangover before you go to sleep and wake up. Da(y) (H)angover. Damn! I ran out of beer and it's only 6:30. God! I'm gonna have a freaking dangover! dangover by Kurt 8 Keiner January 22, 2010 0 0 Get merch Get the dangover mug. Buy Now — $32.95 See more merch