willow tree syndrome Share definition Flag 1. The act of being shady or sketchy in character.2. Not trustworthy or believable. You can't trust anything that he does or says, he suffers from willow tree syndrome. willow tree syndrome by SecretAgtWoman December 24, 2009 0 0 Get merch Get the willow tree syndrome mug. Buy Now — $32.95 See more merch
