syrupy Share definition Flag A person, or TV show etc. whos personality/content is unbearably sickly sweet. Over-sentimental mush. I watched 'Glee', like you asked suggested. That show is so syrupy, I couldn't watch it. syrupy by Cheesechase May 25, 2010 0 0 Get merch Get the syrupy mug. Buy Now — $32.95 See more merch