W.A.Y.S. Share definition Flag An acronym that stands for "What Are You Stupid". Particularly useful in meetings where your attendees just don't seem to get it. Mimi, was so confounded by her boss's seeming ignorance that she mutered, W.A.Y.S. W.A.Y.S. by Brute' May 9, 2008 0 0 Get merch Get the W.A.Y.S. mug. Buy Now — $32.95 See more merch