sa'busy Share definition Flag When a person excuses 'less than admirable' behavior with their hectic schedule, when everyone knows their schedule isn't really that hectic. "Sorry I couldn't respond to your email. I've just been sa'busy." sa'busy by benbill2015 May 28, 2017 0 0 Get merch Get the sa'busy mug. Buy Now — $32.95 See more merch