birthdeluge Share definition Flag The cavalcade of well-wishes you get when everyone you've ever met logs on to Facebook and discovers that it's your birthday. It's going to take me an hour to clean out my email inbox from my birthdeluge! birthdeluge by EmVeeCeeCee July 22, 2012 0 0 Get merch Get the birthdeluge mug. Buy Now — $32.95 See more merch