slept a donut Share definition Flag When one sleeps for 12 hours straight, thereby circling round the clock, making the shape of a donut. "Oh man, I was so wasted after the party that I slept a donut last night." slept a donut by ballers34 November 10, 2021 0 0 Get merch Get the slept a donut mug. Buy Now — $32.95 See more merch