sighyawn Share definition Flag The act of simultaneously sighing and yawning. Often done when stressed, tired, or both. Definitely a real word. Micah: “Are you okay Grace?” Grace: “Yes, I’m fine. I just sighyawned. It’s been a long week.” sighyawn by NotMicah April 1, 2021 0 0 Get merch Get the sighyawn mug. Buy Now — $32.95 See more merch